102859000 has 32 divisors (see below), whose sum is σ = 240692400. Its totient is φ = 41143200.

The previous prime is 102858997. The next prime is 102859063. The reversal of 102859000 is 958201.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50430 + ... + 52429.

Almost surely, 2^102859000 is an apocalyptic number.

102859000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102859000 is an abundant number, since it is smaller than the sum of its proper divisors (137833400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102859000 is a wasteful number, since it uses less digits than its factorization.

102859000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102880 (or 102866 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 102859000 is about 10141.9426147065. The cubic root of 102859000 is about 468.5408192591.

The spelling of 102859000 in words is "one hundred two million, eight hundred fifty-nine thousand".