172011052 has 12 divisors (see below), whose sum is σ = 301414176. Its totient is φ = 85892720.

The previous prime is 172011011. The next prime is 172011067. The reversal of 172011052 is 250110271.

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, 24724 + ... + 30907.

It is an arithmetic number, because the mean of its divisors is an integer number (25117848).

Almost surely, 2^172011052 is an apocalyptic number.

It is an amenable number.

172011052 is a deficient number, since it is larger than the sum of its proper divisors (129403124).

172011052 is a wasteful number, since it uses less digits than its factorization.

172011052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56408 (or 56406 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 172011052 is about 13115.2983953854. The cubic root of 172011052 is about 556.1416879208.

The spelling of 172011052 in words is "one hundred seventy-two million, eleven thousand, fifty-two".