102152259 has 20 divisors (see below), whose sum is σ = 166471800. Its totient is φ = 61909920.

The previous prime is 102152251. The next prime is 102152261. The reversal of 102152259 is 952251201.

It is not a de Polignac number, because 102152259 - 2³ = 102152251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102152251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56434 + ... + 58215.

It is an arithmetic number, because the mean of its divisors is an integer number (8323590).

Almost surely, 2^102152259 is an apocalyptic number.

102152259 is a deficient number, since it is larger than the sum of its proper divisors (64319541).

102152259 is a wasteful number, since it uses less digits than its factorization.

102152259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114672 (or 114663 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 102152259 is about 10107.0400711583. The cubic root of 102152259 is about 467.4652422518.

The spelling of 102152259 in words is "one hundred two million, one hundred fifty-two thousand, two hundred fifty-nine".