57130120 has 16 divisors (see below), whose sum is σ = 128542860. Its totient is φ = 22852032.

The previous prime is 57130103. The next prime is 57130133. The reversal of 57130120 is 2103175.

It can be written as a sum of positive squares in 2 ways, for example, as 56220004 + 910116 = 7498^2 + 954^2 .

It is a super-2 number, since 2×57130120² = 6527701222428800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714087 + ... + 714166.

Almost surely, 2^57130120 is an apocalyptic number.

It is an amenable number.

57130120 is an abundant number, since it is smaller than the sum of its proper divisors (71412740).

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

57130120 is a wasteful number, since it uses less digits than its factorization.

57130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428264 (or 1428260 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 57130120 is about 7558.4469304216. The cubic root of 57130120 is about 385.1427367524.

Adding to 57130120 its reverse (2103175), we get a palindrome (59233295).

The spelling of 57130120 in words is "fifty-seven million, one hundred thirty thousand, one hundred twenty".