102556252 has 12 divisors (see below), whose sum is σ = 183851136. Its totient is φ = 50027360.

The previous prime is 102556199. The next prime is 102556283. The reversal of 102556252 is 252655201.

It is a self number, because there is not a number n which added to its sum of digits gives 102556252.

It is a congruent number.

It is an unprimeable number.

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, 312508 + ... + 312835.

It is an arithmetic number, because the mean of its divisors is an integer number (15320928).

Almost surely, 2^102556252 is an apocalyptic number.

It is an amenable number.

102556252 is a deficient number, since it is larger than the sum of its proper divisors (81294884).

102556252 is a wasteful number, since it uses less digits than its factorization.

102556252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625388 (or 625386 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 102556252 is about 10127.0060728727. The cubic root of 102556252 is about 468.0806774007.

The spelling of 102556252 in words is "one hundred two million, five hundred fifty-six thousand, two hundred fifty-two".