102161125 has 32 divisors (see below), whose sum is σ = 140175360. Its totient is φ = 73720000.

The previous prime is 102161117. The next prime is 102161149. The reversal of 102161125 is 521161201.

It is not a de Polignac number, because 102161125 - 2³ = 102161117 is a prime.

It is a super-2 number, since 2×102161125² = 20873790922531250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262431 + ... + 262819.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^102161125 is an apocalyptic number.

It is an amenable number.

102161125 is a deficient number, since it is larger than the sum of its proper divisors (38014235).

102161125 is a wasteful number, since it uses less digits than its factorization.

102161125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 102161125 is about 10107.4786668090. The cubic root of 102161125 is about 467.4787659434.

The spelling of 102161125 in words is "one hundred two million, one hundred sixty-one thousand, one hundred twenty-five".