124405901984 has 96 divisors (see below), whose sum is σ = 304553442816. Its totient is φ = 48708034560.

The previous prime is 124405901933. The next prime is 124405902133. The reversal of 124405901984 is 489109504421.

124405901984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 62249 + ... + 502679.

It is an arithmetic number, because the mean of its divisors is an integer number (3172431696).

Almost surely, 2^124405901984 is an apocalyptic number.

124405901984 is a gapful number since it is divisible by the number (14) 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 124405901984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152276721408).

124405901984 is an abundant number, since it is smaller than the sum of its proper divisors (180147540832).

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

124405901984 is a wasteful number, since it uses less digits than its factorization.

124405901984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440558 (or 440550 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 124405901984 in words is "one hundred twenty-four billion, four hundred five million, nine hundred one thousand, nine hundred eighty-four".