124774318856 has 64 divisors (see below), whose sum is σ = 264438449280. Its totient is φ = 54694241280.

The previous prime is 124774318841. The next prime is 124774318937. The reversal of 124774318856 is 658813477421.

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, 198365 + ... + 537491.

It is an arithmetic number, because the mean of its divisors is an integer number (4131850770).

Almost surely, 2^124774318856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124774318856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132219224640).

124774318856 is an abundant number, since it is smaller than the sum of its proper divisors (139664130424).

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

124774318856 is a wasteful number, since it uses less digits than its factorization.

124774318856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339294 (or 339290 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The spelling of 124774318856 in words is "one hundred twenty-four billion, seven hundred seventy-four million, three hundred eighteen thousand, eight hundred fifty-six".