57121134 has 16 divisors (see below), whose sum is σ = 130562688. Its totient is φ = 16320312.

The previous prime is 57121111. The next prime is 57121151. The reversal of 57121134 is 43112175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679972 + ... + 680055.

It is an arithmetic number, because the mean of its divisors is an integer number (8160168).

Almost surely, 2^57121134 is an apocalyptic number.

57121134 is an abundant number, since it is smaller than the sum of its proper divisors (73441554).

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

57121134 is a wasteful number, since it uses less digits than its factorization.

57121134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360039.

The product of its digits is 840, while the sum is 24.

The square root of 57121134 is about 7557.8524727597. The cubic root of 57121134 is about 385.1225426522.

The spelling of 57121134 in words is "fifty-seven million, one hundred twenty-one thousand, one hundred thirty-four".