57108121 has 16 divisors (see below), whose sum is σ = 67269888. Its totient is φ = 47462400.

The previous prime is 57108109. The next prime is 57108137. The reversal of 57108121 is 12180175.

It is a cyclic number.

It is not a de Polignac number, because 57108121 - 2⁵ = 57108089 is a prime.

It is a super-2 number, since 2×57108121² = 6522674968301282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57108521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54876 + ... + 55906.

It is an arithmetic number, because the mean of its divisors is an integer number (4204368).

Almost surely, 2^57108121 is an apocalyptic number.

It is an amenable number.

57108121 is a deficient number, since it is larger than the sum of its proper divisors (10161767).

57108121 is a wasteful number, since it uses less digits than its factorization.

57108121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 57108121 is about 7556.9915310261. The cubic root of 57108121 is about 385.0932949820.

Adding to 57108121 its reverse (12180175), we get a palindrome (69288296).

It can be divided in two parts, 5710 and 8121, that added together give a palindrome (13831).

The spelling of 57108121 in words is "fifty-seven million, one hundred eight thousand, one hundred twenty-one".