124404004120 has 64 divisors (see below), whose sum is σ = 309538311840. Its totient is φ = 44618112000.

The previous prime is 124404004117. The next prime is 124404004141. The reversal of 124404004120 is 21400404421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 124404004091 and 124404004100.

It is a congruent number.

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, 1904431 + ... + 1968670.

Almost surely, 2^124404004120 is an apocalyptic number.

124404004120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124404004120 is an abundant number, since it is smaller than the sum of its proper divisors (185134307720).

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

124404004120 is a wasteful number, since it uses less digits than its factorization.

124404004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873196 (or 3873192 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 124404004120 its reverse (21400404421), we get a palindrome (145804408541).

The spelling of 124404004120 in words is "one hundred twenty-four billion, four hundred four million, four thousand, one hundred twenty".