102684172 has 24 divisors (see below), whose sum is σ = 188374032. Its totient is φ = 48921600.

The previous prime is 102684149. The next prime is 102684173. The reversal of 102684172 is 271486201.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (102684173) 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 7 ways as a sum of consecutive naturals, for example, 229 + ... + 14332.

It is an arithmetic number, because the mean of its divisors is an integer number (7848918).

Almost surely, 2^102684172 is an apocalyptic number.

It is an amenable number.

102684172 is a deficient number, since it is larger than the sum of its proper divisors (85689860).

102684172 is a wasteful number, since it uses less digits than its factorization.

102684172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649 (or 14647 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 102684172 is about 10133.3198903420. The cubic root of 102684172 is about 468.2752112987.

The spelling of 102684172 in words is "one hundred two million, six hundred eighty-four thousand, one hundred seventy-two".