130172999 has 8 divisors (see below), whose sum is σ = 146588160. Its totient is φ = 114521400.

The previous prime is 130172983. The next prime is 130173019. The reversal of 130172999 is 999271031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130172999 - 2⁴ = 130172983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130172599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190529 + ... + 191210.

It is an arithmetic number, because the mean of its divisors is an integer number (18323520).

Almost surely, 2^130172999 is an apocalyptic number.

130172999 is a deficient number, since it is larger than the sum of its proper divisors (16415161).

130172999 is a wasteful number, since it uses less digits than its factorization.

130172999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381781.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 130172999 is about 11409.3382367252. The cubic root of 130172999 is about 506.8043145654.

The spelling of 130172999 in words is "one hundred thirty million, one hundred seventy-two thousand, nine hundred ninety-nine".