124405856436 has 48 divisors (see below), whose sum is σ = 297177560064. Its totient is φ = 40484252256.

The previous prime is 124405856429. The next prime is 124405856513. The reversal of 124405856436 is 634658504421.

It is a congruent number.

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, 1006075 + ... + 1122941.

It is an arithmetic number, because the mean of its divisors is an integer number (6191199168).

Almost surely, 2^124405856436 is an apocalyptic number.

It is an amenable number.

124405856436 is an abundant number, since it is smaller than the sum of its proper divisors (172771703628).

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

124405856436 is a wasteful number, since it uses less digits than its factorization.

124405856436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118980 (or 118978 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 124405856436 in words is "one hundred twenty-four billion, four hundred five million, eight hundred fifty-six thousand, four hundred thirty-six".