102070972 has 12 divisors (see below), whose sum is σ = 184386496. Its totient is φ = 49389120.

The previous prime is 102070963. The next prime is 102070999. The reversal of 102070972 is 279070201.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 102070972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411453 + ... + 411700.

Almost surely, 2^102070972 is an apocalyptic number.

It is an amenable number.

102070972 is a deficient number, since it is larger than the sum of its proper divisors (82315524).

102070972 is a wasteful number, since it uses less digits than its factorization.

102070972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823188 (or 823186 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 102070972 is about 10103.0179649449. The cubic root of 102070972 is about 467.3412151995.

The spelling of 102070972 in words is "one hundred two million, seventy thousand, nine hundred seventy-two".