102170252 has 12 divisors (see below), whose sum is σ = 179459616. Its totient is φ = 50896080.

The previous prime is 102170251. The next prime is 102170269. The reversal of 102170252 is 252071201.

It is not an unprimeable number, because it can be changed into a prime (102170251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46043 + ... + 48210.

It is an arithmetic number, because the mean of its divisors is an integer number (14954968).

Almost surely, 2^102170252 is an apocalyptic number.

It is an amenable number.

102170252 is a deficient number, since it is larger than the sum of its proper divisors (77289364).

102170252 is a wasteful number, since it uses less digits than its factorization.

102170252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94528 (or 94526 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 102170252 is about 10107.9301540919. The cubic root of 102170252 is about 467.4926869322.

The spelling of 102170252 in words is "one hundred two million, one hundred seventy thousand, two hundred fifty-two".