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121014240 = 2535614133
BaseRepresentation
bin1110011011010…
…00011111100000
322102201011022220
413031220133200
5221434423430
620001431040
72666414124
oct715503740
9272634286
10121014240
1162344876
123463b480
131c0c0779
1412101584
15a956110
hex73687e0

121014240 has 96 divisors (see below), whose sum is σ = 387537696. Its totient is φ = 31733760.

The previous prime is 121014227. The next prime is 121014253. The reversal of 121014240 is 42410121.

It is an interprime number because it is at equal distance from previous prime (121014227) and next prime (121014253).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27214 + ... + 31346.

It is an arithmetic number, because the mean of its divisors is an integer number (4036851).

Almost surely, 2121014240 is an apocalyptic number.

121014240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121014240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193768848).

121014240 is an abundant number, since it is smaller than the sum of its proper divisors (266523456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121014240 is a wasteful number, since it uses less digits than its factorization.

121014240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121014240 is about 11000.6472536847. The cubic root of 121014240 is about 494.6281463972.

Adding to 121014240 its reverse (42410121), we get a palindrome (163424361).

The spelling of 121014240 in words is "one hundred twenty-one million, fourteen thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 61 80 96 120 122 160 183 240 244 305 366 480 488 610 732 915 976 1220 1464 1830 1952 2440 2928 3660 4133 4880 5856 7320 8266 9760 12399 14640 16532 20665 24798 29280 33064 41330 49596 61995 66128 82660 99192 123990 132256 165320 198384 247980 252113 330640 396768 495960 504226 661280 756339 991920 1008452 1260565 1512678 1983840 2016904 2521130 3025356 3781695 4033808 5042260 6050712 7563390 8067616 10084520 12101424 15126780 20169040 24202848 30253560 40338080 60507120 121014240