126707760172 has 12 divisors (see below), whose sum is σ = 253415520400. Its totient is φ = 54303325776.

The previous prime is 126707760167. The next prime is 126707760191. The reversal of 126707760172 is 271067707621.

126707760172 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2262638547 + ... + 2262638602.

Almost surely, 2^126707760172 is an apocalyptic number.

It is an amenable number.

126707760172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126707760172 is a wasteful number, since it uses less digits than its factorization.

126707760172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525277160 (or 4525277158 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 46.

The spelling of 126707760172 in words is "one hundred twenty-six billion, seven hundred seven million, seven hundred sixty thousand, one hundred seventy-two".