124821068724 has 72 divisors (see below), whose sum is σ = 359168951232. Its totient is φ = 36180017280.

The previous prime is 124821068699. The next prime is 124821068773. The reversal of 124821068724 is 427860128421.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 124821068724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6843169 + ... + 6861384.

It is an arithmetic number, because the mean of its divisors is an integer number (4988457656).

Almost surely, 2^124821068724 is an apocalyptic number.

It is an amenable number.

124821068724 is an abundant number, since it is smaller than the sum of its proper divisors (234347882508).

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

124821068724 is a wasteful number, since it uses less digits than its factorization.

124821068724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704597 (or 13704592 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 124821068724 in words is "one hundred twenty-four billion, eight hundred twenty-one million, sixty-eight thousand, seven hundred twenty-four".