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122051040 = 2535892857
BaseRepresentation
bin1110100011001…
…01100111100000
322111122211112220
413101211213200
5222221113130
620035551040
73011262636
oct721454740
9274584486
10122051040
1162992831
1234a5b480
131c394667
14122d1356
15aaad410
hex74659e0

122051040 has 96 divisors (see below), whose sum is σ = 388916640. Its totient is φ = 32169984.

The previous prime is 122050991. The next prime is 122051047. The reversal of 122051040 is 40150221.

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 not an unprimeable number, because it can be changed into a prime (122051047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41292 + ... + 44148.

It is an arithmetic number, because the mean of its divisors is an integer number (4051215).

Almost surely, 2122051040 is an apocalyptic number.

122051040 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 122051040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194458320).

122051040 is an abundant number, since it is smaller than the sum of its proper divisors (266865600).

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

122051040 is a wasteful number, since it uses less digits than its factorization.

122051040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 122051040 is about 11047.6712478241. The cubic root of 122051040 is about 496.0367211800.

The spelling of 122051040 in words is "one hundred twenty-two million, fifty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 89 96 120 160 178 240 267 356 445 480 534 712 890 1068 1335 1424 1780 2136 2670 2848 2857 3560 4272 5340 5714 7120 8544 8571 10680 11428 14240 14285 17142 21360 22856 28570 34284 42720 42855 45712 57140 68568 85710 91424 114280 137136 171420 228560 254273 274272 342840 457120 508546 685680 762819 1017092 1271365 1371360 1525638 2034184 2542730 3051276 3814095 4068368 5085460 6102552 7628190 8136736 10170920 12205104 15256380 20341840 24410208 30512760 40683680 61025520 122051040