124399329780 has 96 divisors (see below), whose sum is σ = 380246791680. Its totient is φ = 30136510080.

The previous prime is 124399329757. The next prime is 124399329811. The reversal of 124399329780 is 87923993421.

124399329780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 124399329780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898347 + ... + 1027533.

It is an arithmetic number, because the mean of its divisors is an integer number (3960904080).

Almost surely, 2^124399329780 is an apocalyptic number.

124399329780 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 124399329780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190123395840).

124399329780 is an abundant number, since it is smaller than the sum of its proper divisors (255847461900).

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

124399329780 is a wasteful number, since it uses less digits than its factorization.

124399329780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130669 (or 130667 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 124399329780 in words is "one hundred twenty-four billion, three hundred ninety-nine million, three hundred twenty-nine thousand, seven hundred eighty".