126516172 has 24 divisors (see below), whose sum is σ = 227919440. Its totient is φ = 61404480.

The previous prime is 126516163. The next prime is 126516179. The reversal of 126516172 is 271615621.

It is not an unprimeable number, because it can be changed into a prime (126516179) 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, 90922 + ... + 92302.

Almost surely, 2^126516172 is an apocalyptic number.

It is an amenable number.

126516172 is a deficient number, since it is larger than the sum of its proper divisors (101403268).

126516172 is a wasteful number, since it uses less digits than its factorization.

126516172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2039 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 126516172 is about 11247.9407893178. The cubic root of 126516172 is about 502.0134438710.

The spelling of 126516172 in words is "one hundred twenty-six million, five hundred sixteen thousand, one hundred seventy-two".