172125275 has 24 divisors (see below), whose sum is σ = 256769280. Its totient is φ = 111814560.

The previous prime is 172125253. The next prime is 172125281. The reversal of 172125275 is 572521271.

It is not a de Polignac number, because 172125275 - 2¹² = 172121179 is a prime.

It is a super-2 number, since 2×172125275² = 59254220587651250, which contains 22 as substring.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 22559 + ... + 29208.

It is an arithmetic number, because the mean of its divisors is an integer number (10698720).

Almost surely, 2^172125275 is an apocalyptic number.

172125275 is a deficient number, since it is larger than the sum of its proper divisors (84644005).

172125275 is a wasteful number, since it uses less digits than its factorization.

172125275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51803 (or 51798 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 172125275 is about 13119.6522438668. The cubic root of 172125275 is about 556.2647616333.

The spelling of 172125275 in words is "one hundred seventy-two million, one hundred twenty-five thousand, two hundred seventy-five".