172057012 has 6 divisors (see below), whose sum is σ = 301099778. Its totient is φ = 86028504.

The previous prime is 172057007. The next prime is 172057013. The reversal of 172057012 is 210750271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 172029456 + 27556 = 13116^2 + 166^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172057013) by changing a digit.

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 as a sum of consecutive naturals, namely, 21507123 + ... + 21507130.

Almost surely, 2^172057012 is an apocalyptic number.

It is an amenable number.

172057012 is a deficient number, since it is larger than the sum of its proper divisors (129042766).

172057012 is a wasteful number, since it uses less digits than its factorization.

172057012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43014257 (or 43014255 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 172057012 is about 13117.0504306418. The cubic root of 172057012 is about 556.1912157380.

The spelling of 172057012 in words is "one hundred seventy-two million, fifty-seven thousand, twelve".