124075387128 has 128 divisors (see below), whose sum is σ = 409477317120. Its totient is φ = 30331637760.

The previous prime is 124075387069. The next prime is 124075387153. The reversal of 124075387128 is 821783570421.

124075387128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1943301 + ... + 2006132.

It is an arithmetic number, because the mean of its divisors is an integer number (3199041540).

Almost surely, 2^124075387128 is an apocalyptic number.

It is an amenable number.

124075387128 is an abundant number, since it is smaller than the sum of its proper divisors (285401929992).

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

124075387128 is a wasteful number, since it uses less digits than its factorization.

124075387128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949477 (or 3949473 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 124075387128 in words is "one hundred twenty-four billion, seventy-five million, three hundred eighty-seven thousand, one hundred twenty-eight".