126720499344 has 40 divisors (see below), whose sum is σ = 341594392512. Its totient is φ = 40403637120.

The previous prime is 126720499337. The next prime is 126720499349. The reversal of 126720499344 is 443994027621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126720499349) 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, 57390427 + ... + 57392634.

Almost surely, 2^126720499344 is an apocalyptic number.

It is an amenable number.

126720499344 is an abundant number, since it is smaller than the sum of its proper divisors (214873893168).

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

126720499344 is a wasteful number, since it uses less digits than its factorization.

126720499344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114783095 (or 114783089 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 126720499344 in words is "one hundred twenty-six billion, seven hundred twenty million, four hundred ninety-nine thousand, three hundred forty-four".