102862868 has 6 divisors (see below), whose sum is σ = 180010026. Its totient is φ = 51431432.

The previous prime is 102862853. The next prime is 102862871. The reversal of 102862868 is 868268201.

It can be written as a sum of positive squares in only one way, i.e., 102860164 + 2704 = 10142^2 + 52^2 .

It is a super-2 number, since 2×102862868² = 21161539226370848, 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 as a sum of consecutive naturals, namely, 12857855 + ... + 12857862.

It is an arithmetic number, because the mean of its divisors is an integer number (30001671).

Almost surely, 2^102862868 is an apocalyptic number.

It is an amenable number.

102862868 is a deficient number, since it is larger than the sum of its proper divisors (77147158).

102862868 is a wasteful number, since it uses less digits than its factorization.

102862868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25715721 (or 25715719 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 102862868 is about 10142.1333061639. The cubic root of 102862868 is about 468.5466923254.

The spelling of 102862868 in words is "one hundred two million, eight hundred sixty-two thousand, eight hundred sixty-eight".