124403599828 has 12 divisors (see below), whose sum is σ = 217744208500. Its totient is φ = 62190968832.

The previous prime is 124403599823. The next prime is 124403599867. The reversal of 124403599828 is 828995304421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3836315844 + 120567283984 = 61938^2 + 347228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124403599823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2681901 + ... + 2727892.

Almost surely, 2^124403599828 is an apocalyptic number.

It is an amenable number.

124403599828 is a deficient number, since it is larger than the sum of its proper divisors (93340608672).

124403599828 is a wasteful number, since it uses less digits than its factorization.

124403599828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415546 (or 5415544 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 124403599828 in words is "one hundred twenty-four billion, four hundred three million, five hundred ninety-nine thousand, eight hundred twenty-eight".