122557475376 has 240 divisors, whose sum is σ = 396171310080. Its totient is φ = 34644879360.

The previous prime is 122557475329. The next prime is 122557475399. The reversal of 122557475376 is 673574755221.

122557475376 is a `hidden beast` number, since 1 + 225 + 5 + 7 + 47 + 5 + 376 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39267096 + ... + 39270216.

It is an arithmetic number, because the mean of its divisors is an integer number (1650713792).

Almost surely, 2^122557475376 is an apocalyptic number.

122557475376 is a gapful number since it is divisible by the number (16) 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 122557475376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198085655040).

122557475376 is an abundant number, since it is smaller than the sum of its proper divisors (273613834704).

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

122557475376 is a wasteful number, since it uses less digits than its factorization.

122557475376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3535 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 54.

The spelling of 122557475376 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred seventy-five thousand, three hundred seventy-six".