124399656224 has 12 divisors (see below), whose sum is σ = 244911823254. Its totient is φ = 62199828096.

The previous prime is 124399656221. The next prime is 124399656239. The reversal of 124399656224 is 422656993421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86475988624 + 37923667600 = 294068^2 + 194740^2 .

It is not an unprimeable number, because it can be changed into a prime (124399656221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943744597 + ... + 1943744660.

Almost surely, 2^124399656224 is an apocalyptic number.

It is an amenable number.

124399656224 is a deficient number, since it is larger than the sum of its proper divisors (120512167030).

124399656224 is an equidigital number, since it uses as much as digits as its factorization.

124399656224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887489267 (or 3887489259 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 53.

The spelling of 124399656224 in words is "one hundred twenty-four billion, three hundred ninety-nine million, six hundred fifty-six thousand, two hundred twenty-four".