102856375 has 32 divisors (see below), whose sum is σ = 137592000. Its totient is φ = 76492800.

The previous prime is 102856373. The next prime is 102856393. The reversal of 102856375 is 573658201.

It is not a de Polignac number, because 102856375 - 2¹ = 102856373 is a prime.

It is a super-5 number, since 5×102856375⁵ (a number of 41 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102856373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205876 + ... + 206374.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2^102856375 is an apocalyptic number.

102856375 is a deficient number, since it is larger than the sum of its proper divisors (34735625).

102856375 is an equidigital number, since it uses as much as digits as its factorization.

102856375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 102856375 is about 10141.8132008039. The cubic root of 102856375 is about 468.5368334464.

The spelling of 102856375 in words is "one hundred two million, eight hundred fifty-six thousand, three hundred seventy-five".