121052356 has 6 divisors (see below), whose sum is σ = 211841630. Its totient is φ = 60526176.

The previous prime is 121052299. The next prime is 121052357. The reversal of 121052356 is 653250121.

It can be written as a sum of positive squares in only one way, i.e., 112148100 + 8904256 = 10590^2 + 2984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121052356.

It is not an unprimeable number, because it can be changed into a prime (121052357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15131541 + ... + 15131548.

Almost surely, 2^121052356 is an apocalyptic number.

It is an amenable number.

121052356 is a deficient number, since it is larger than the sum of its proper divisors (90789274).

121052356 is a wasteful number, since it uses less digits than its factorization.

121052356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30263093 (or 30263091 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 121052356 is about 11002.3795608041. The cubic root of 121052356 is about 494.6800721522.

The spelling of 121052356 in words is "one hundred twenty-one million, fifty-two thousand, three hundred fifty-six".