124403402000 has 80 divisors (see below), whose sum is σ = 306483298992. Its totient is φ = 48822425600.

The previous prime is 124403401999. The next prime is 124403402047. The reversal of 124403402000 is 204304421.

It can be written as a sum of positive squares in 8 ways, for example, as 62494000144 + 61909401856 = 249988^2 + 248816^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480809 + ... + 692808.

Almost surely, 2^124403402000 is an apocalyptic number.

124403402000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124403402000 is an abundant number, since it is smaller than the sum of its proper divisors (182079896992).

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

124403402000 is a wasteful number, since it uses less digits than its factorization.

124403402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173693 (or 1173677 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 124403402000 its reverse (204304421), we get a palindrome (124607706421).

The spelling of 124403402000 in words is "one hundred twenty-four billion, four hundred three million, four hundred two thousand".