124999999944 has 16 divisors (see below), whose sum is σ = 312499999920. Its totient is φ = 41666666640.

The previous prime is 124999999937. The next prime is 124999999981. The reversal of 124999999944 is 449999999421.

It is a self number, because there is not a number n which added to its sum of digits gives 124999999944.

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, 2604166642 + ... + 2604166689.

It is an arithmetic number, because the mean of its divisors is an integer number (19531249995).

Almost surely, 2^124999999944 is an apocalyptic number.

It is an amenable number.

124999999944 is an abundant number, since it is smaller than the sum of its proper divisors (187499999976).

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

124999999944 is a wasteful number, since it uses less digits than its factorization.

124999999944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208333340 (or 5208333336 counting only the distinct ones).

The product of its digits is 612220032, while the sum is 78.

The spelling of 124999999944 in words is "one hundred twenty-four billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-four".