102189192 has 32 divisors (see below), whose sum is σ = 291969600. Its totient is φ = 29196864.

The previous prime is 102189187. The next prime is 102189211. The reversal of 102189192 is 291981201.

It is a super-2 number, since 2×102189192² = 20885261923225728, which contains 22 as substring.

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, 303967 + ... + 304302.

It is an arithmetic number, because the mean of its divisors is an integer number (9124050).

Almost surely, 2^102189192 is an apocalyptic number.

102189192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102189192 is an abundant number, since it is smaller than the sum of its proper divisors (189780408).

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

102189192 is a wasteful number, since it uses less digits than its factorization.

102189192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608285 (or 608281 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 102189192 is about 10108.8669988283. The cubic root of 102189192 is about 467.5215725887.

The spelling of 102189192 in words is "one hundred two million, one hundred eighty-nine thousand, one hundred ninety-two".