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121043214 = 23371131241
BaseRepresentation
bin1110011011011…
…11100100001110
322102202122002000
413031233210032
5221441340324
620002213130
72666564445
oct715574416
9272678060
10121043214
1162364616
12346541a6
131c100a06
141210bd5c
15a95e9c9
hex736f90e

121043214 has 64 divisors (see below), whose sum is σ = 275996160. Its totient is φ = 39312000.

The previous prime is 121043191. The next prime is 121043239. The reversal of 121043214 is 412340121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502134 + ... + 502374.

It is an arithmetic number, because the mean of its divisors is an integer number (4312440).

Almost surely, 2121043214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121043214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137998080).

121043214 is an abundant number, since it is smaller than the sum of its proper divisors (154952946).

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

121043214 is a wasteful number, since it uses less digits than its factorization.

121043214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121043214 is about 11001.9640973782. The cubic root of 121043214 is about 494.6676189207.

Adding to 121043214 its reverse (412340121), we get a palindrome (533383335).

The spelling of 121043214 in words is "one hundred twenty-one million, forty-three thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 71 131 142 213 241 262 393 426 482 639 723 786 1179 1278 1446 1917 2169 2358 3537 3834 4338 6507 7074 9301 13014 17111 18602 27903 31571 34222 51333 55806 63142 83709 94713 102666 153999 167418 189426 251127 284139 307998 461997 502254 568278 852417 923994 1704834 2241541 4483082 6724623 13449246 20173869 40347738 60521607 121043214