122751557056 has 56 divisors (see below), whose sum is σ = 249599708064. Its totient is φ = 59861176320.

The previous prime is 122751557041. The next prime is 122751557081. The reversal of 122751557056 is 650755157221.

122751557056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 122751556997 and 122751557015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15931701 + ... + 15939403.

It is an arithmetic number, because the mean of its divisors is an integer number (4457137644).

Almost surely, 2^122751557056 is an apocalyptic number.

122751557056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122751557056 is an abundant number, since it is smaller than the sum of its proper divisors (126848151008).

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

122751557056 is an equidigital number, since it uses as much as digits as its factorization.

122751557056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 46.

The spelling of 122751557056 in words is "one hundred twenty-two billion, seven hundred fifty-one million, five hundred fifty-seven thousand, fifty-six".