957904121 has 4 divisors (see below), whose sum is σ = 958008144. Its totient is φ = 957800100.

The previous prime is 957904111. The next prime is 957904141. The reversal of 957904121 is 121409759.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-957904121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (957904111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36695 + ... + 57116.

It is an arithmetic number, because the mean of its divisors is an integer number (239502036).

Almost surely, 2^957904121 is an apocalyptic number.

It is an amenable number.

957904121 is a deficient number, since it is larger than the sum of its proper divisors (104023).

957904121 is a wasteful number, since it uses less digits than its factorization.

957904121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104022.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 957904121 is about 30950.0261873880. The cubic root of 957904121 is about 985.7664063648.

The spelling of 957904121 in words is "nine hundred fifty-seven million, nine hundred four thousand, one hundred twenty-one".