124276408920 has 256 divisors, whose sum is σ = 417397132800. Its totient is φ = 32889991680.

The previous prime is 124276408889. The next prime is 124276409009. The reversal of 124276408920 is 29804672421.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124649862 + ... + 124650858.

It is an arithmetic number, because the mean of its divisors is an integer number (1630457550).

Almost surely, 2^124276408920 is an apocalyptic number.

124276408920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124276408920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208698566400).

124276408920 is an abundant number, since it is smaller than the sum of its proper divisors (293120723880).

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

124276408920 is a wasteful number, since it uses less digits than its factorization.

124276408920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 124276408920 in words is "one hundred twenty-four billion, two hundred seventy-six million, four hundred eight thousand, nine hundred twenty".