172125384 has 16 divisors (see below), whose sum is σ = 430313520. Its totient is φ = 57375120.

The previous prime is 172125367. The next prime is 172125403. The reversal of 172125384 is 483521271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585922 + ... + 3585969.

It is an arithmetic number, because the mean of its divisors is an integer number (26894595).

Almost surely, 2^172125384 is an apocalyptic number.

It is an amenable number.

172125384 is an abundant number, since it is smaller than the sum of its proper divisors (258188136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172125384 is a wasteful number, since it uses less digits than its factorization.

172125384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171900 (or 7171896 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 172125384 is about 13119.6563979397. The cubic root of 172125384 is about 556.2648790532.

The spelling of 172125384 in words is "one hundred seventy-two million, one hundred twenty-five thousand, three hundred eighty-four".