102868 has 6 divisors (see below), whose sum is σ = 180026. Its totient is φ = 51432.

The previous prime is 102859. The next prime is 102871. The reversal of 102868 is 868201.

It can be written as a sum of positive squares in only one way, i.e., 91204 + 11664 = 302^2 + 108^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

102868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12855 + ... + 12862.

2¹⁰²⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

102868 is a deficient number, since it is larger than the sum of its proper divisors (77158).

102868 is a wasteful number, since it uses less digits than its factorization.

102868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25721 (or 25719 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 102868 is about 320.7304163936. The cubic root of 102868 is about 46.8554484388.

It can be divided in two parts, 10 and 2868, that multiplied together give a triangular number (28680 = T₂₃₉).

The spelling of 102868 in words is "one hundred two thousand, eight hundred sixty-eight".