102690902 has 8 divisors (see below), whose sum is σ = 154414200. Its totient is φ = 51219504.

The previous prime is 102690899. The next prime is 102690919. The reversal of 102690902 is 209096201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 61952 + ... + 63587.

It is an arithmetic number, because the mean of its divisors is an integer number (19301775).

Almost surely, 2^102690902 is an apocalyptic number.

102690902 is a deficient number, since it is larger than the sum of its proper divisors (51723298).

102690902 is a wasteful number, since it uses less digits than its factorization.

102690902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125950.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 102690902 is about 10133.6519577100. The cubic root of 102690902 is about 468.2854414483.

The spelling of 102690902 in words is "one hundred two million, six hundred ninety thousand, nine hundred two".