120331057 has 16 divisors (see below), whose sum is σ = 154865664. Its totient is φ = 90738000.

The previous prime is 120331039. The next prime is 120331091. The reversal of 120331057 is 750133021.

It is a cyclic number.

It is not a de Polignac number, because 120331057 - 2¹⁵ = 120298289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120331957) 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, 22819 + ... + 27592.

It is an arithmetic number, because the mean of its divisors is an integer number (9679104).

Almost surely, 2^120331057 is an apocalyptic number.

It is an amenable number.

120331057 is a deficient number, since it is larger than the sum of its proper divisors (34534607).

120331057 is a wasteful number, since it uses less digits than its factorization.

120331057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50460.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 120331057 is about 10969.5513581915. The cubic root of 120331057 is about 493.6955854791.

Adding to 120331057 its reverse (750133021), we get a palindrome (870464078).

The spelling of 120331057 in words is "one hundred twenty million, three hundred thirty-one thousand, fifty-seven".