124004221400 has 48 divisors (see below), whose sum is σ = 289237001040. Its totient is φ = 49442172800.

The previous prime is 124004221387. The next prime is 124004221427. The reversal of 124004221400 is 4122400421.

124004221400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934619 + ... + 1059018.

It is an arithmetic number, because the mean of its divisors is an integer number (6025770855).

Almost surely, 2^124004221400 is an apocalyptic number.

124004221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124004221400 is an abundant number, since it is smaller than the sum of its proper divisors (165232779640).

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

124004221400 is a wasteful number, since it uses less digits than its factorization.

124004221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993964 (or 1993955 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 124004221400 its reverse (4122400421), we get a palindrome (128126621821).

The spelling of 124004221400 in words is "one hundred twenty-four billion, four million, two hundred twenty-one thousand, four hundred".