102557125 has 16 divisors (see below), whose sum is σ = 139628736. Its totient is φ = 74586000.

The previous prime is 102557093. The next prime is 102557131. The reversal of 102557125 is 521755201.

It is not a de Polignac number, because 102557125 - 2⁵ = 102557093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102557093 and 102557102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35919 + ... + 38668.

It is an arithmetic number, because the mean of its divisors is an integer number (8726796).

Almost surely, 2^102557125 is an apocalyptic number.

It is an amenable number.

102557125 is a deficient number, since it is larger than the sum of its proper divisors (37071611).

102557125 is an equidigital number, since it uses as much as digits as its factorization.

102557125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74613 (or 74603 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 102557125 is about 10127.0491753521. The cubic root of 102557125 is about 468.0820055605.

The spelling of 102557125 in words is "one hundred two million, five hundred fifty-seven thousand, one hundred twenty-five".