102392188 has 12 divisors (see below), whose sum is σ = 179455752. Its totient is φ = 51119120.

The previous prime is 102392183. The next prime is 102392231. The reversal of 102392188 is 881293201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102392183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16198 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (14954646).

Almost surely, 2^102392188 is an apocalyptic number.

It is an amenable number.

102392188 is a deficient number, since it is larger than the sum of its proper divisors (77063564).

102392188 is a wasteful number, since it uses less digits than its factorization.

102392188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38492 (or 38490 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 102392188 is about 10118.9025096598. The cubic root of 102392188 is about 467.8309407143.

The spelling of 102392188 in words is "one hundred two million, three hundred ninety-two thousand, one hundred eighty-eight".