124842374640 has 120 divisors (see below), whose sum is σ = 419331978000. Its totient is φ = 33285768192.

The previous prime is 124842374623. The next prime is 124842374653. The reversal of 124842374640 is 46473248421.

124842374640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 6155236 + ... + 6175484.

It is an arithmetic number, because the mean of its divisors is an integer number (3494433150).

Almost surely, 2^124842374640 is an apocalyptic number.

124842374640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124842374640 is an abundant number, since it is smaller than the sum of its proper divisors (294489603360).

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

124842374640 is a wasteful number, since it uses less digits than its factorization.

124842374640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28831 (or 28822 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 124842374640 in words is "one hundred twenty-four billion, eight hundred forty-two million, three hundred seventy-four thousand, six hundred forty".