100707172 has 6 divisors (see below), whose sum is σ = 176237558. Its totient is φ = 50353584.

The previous prime is 100707151. The next prime is 100707197. The reversal of 100707172 is 271707001.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 9771876 = 9536^2 + 3126^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12588393 + ... + 12588400.

Almost surely, 2^100707172 is an apocalyptic number.

It is an amenable number.

100707172 is a deficient number, since it is larger than the sum of its proper divisors (75530386).

100707172 is a wasteful number, since it uses less digits than its factorization.

100707172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25176797 (or 25176795 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 100707172 is about 10035.2963085302. The cubic root of 100707172 is about 465.2504481965.

The spelling of 100707172 in words is "one hundred million, seven hundred seven thousand, one hundred seventy-two".