130173172 has 6 divisors (see below), whose sum is σ = 227803058. Its totient is φ = 65086584.

The previous prime is 130173167. The next prime is 130173179. The reversal of 130173172 is 271371031.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 45643536 = 9194^2 + 6756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130173179) 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 as a sum of consecutive naturals, namely, 16271643 + ... + 16271650.

Almost surely, 2^130173172 is an apocalyptic number.

It is an amenable number.

130173172 is a deficient number, since it is larger than the sum of its proper divisors (97629886).

130173172 is a wasteful number, since it uses less digits than its factorization.

130173172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32543297 (or 32543295 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 130173172 is about 11409.3458182316. The cubic root of 130173172 is about 506.8045390797.

The spelling of 130173172 in words is "one hundred thirty million, one hundred seventy-three thousand, one hundred seventy-two".