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121025952 = 253261832
BaseRepresentation
bin1110011011010…
…11010110100000
322102201202101200
413031223112200
5221440312302
620002001200
72666463225
oct715532640
9272652350
10121025952
1162352653
1234646200
131c0c5bb8
141210594c
15a95981c
hex736b5a0

121025952 has 108 divisors (see below), whose sum is σ = 354074994. Its totient is φ = 39202560.

The previous prime is 121025929. The next prime is 121025959. The reversal of 121025952 is 259520121.

It can be written as a sum of positive squares in only one way, i.e., 120033936 + 992016 = 10956^2 + 996^2 .

It is not an unprimeable number, because it can be changed into a prime (121025959) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1458103 + ... + 1458185.

Almost surely, 2121025952 is an apocalyptic number.

121025952 is a gapful number since it is divisible by the number (12) 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 121025952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177037497).

121025952 is an abundant number, since it is smaller than the sum of its proper divisors (233049042).

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

121025952 is an equidigital number, since it uses as much as digits as its factorization.

121025952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 121025952 is about 11001.1795731185. The cubic root of 121025952 is about 494.6441029159.

The spelling of 121025952 in words is "one hundred twenty-one million, twenty-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 72 83 96 122 144 166 183 244 249 288 332 366 488 498 549 664 732 747 976 996 1098 1328 1464 1494 1952 1992 2196 2656 2928 2988 3984 4392 5063 5856 5976 6889 7968 8784 10126 11952 13778 15189 17568 20252 20667 23904 27556 30378 40504 41334 45567 55112 60756 62001 81008 82668 91134 110224 121512 124002 162016 165336 182268 220448 243024 248004 330672 364536 420229 486048 496008 661344 729072 840458 992016 1260687 1458144 1680916 1984032 2521374 3361832 3782061 5042748 6723664 7564122 10085496 13447328 15128244 20170992 30256488 40341984 60512976 121025952