126236730772 has 12 divisors (see below), whose sum is σ = 222070899456. Its totient is φ = 62787902360.

The previous prime is 126236730751. The next prime is 126236730791. The reversal of 126236730772 is 277037632621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82614898 + ... + 82616425.

It is an arithmetic number, because the mean of its divisors is an integer number (18505908288).

Almost surely, 2^126236730772 is an apocalyptic number.

It is an amenable number.

126236730772 is a deficient number, since it is larger than the sum of its proper divisors (95834168684).

126236730772 is a wasteful number, since it uses less digits than its factorization.

126236730772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165231518 (or 165231516 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 126236730772 in words is "one hundred twenty-six billion, two hundred thirty-six million, seven hundred thirty thousand, seven hundred seventy-two".