124122130440 has 256 divisors, whose sum is σ = 464722513920. Its totient is φ = 25765309440.

The previous prime is 124122130411. The next prime is 124122130493. The reversal of 124122130440 is 44031221421.

124122130440 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 124122130440.

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, 9815802 + ... + 9828438.

It is an arithmetic number, because the mean of its divisors is an integer number (1815322320).

Almost surely, 2^124122130440 is an apocalyptic number.

124122130440 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 124122130440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232361256960).

124122130440 is an abundant number, since it is smaller than the sum of its proper divisors (340600383480).

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

124122130440 is a wasteful number, since it uses less digits than its factorization.

124122130440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732 (or 13728 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 124122130440 its reverse (44031221421), we get a palindrome (168153351861).

The spelling of 124122130440 in words is "one hundred twenty-four billion, one hundred twenty-two million, one hundred thirty thousand, four hundred forty".