122426557356528 has 60 divisors (see below), whose sum is σ = 345950773499760. Its totient is φ = 40412649996288.

The previous prime is 122426557356503. The next prime is 122426557356529. The reversal of 122426557356528 is 825653755624221.

122426557356528 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 2 + 6 + 5 + 57 + 3 + 56 + 528 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122426557356529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4127094033 + ... + 4127123696.

It is an arithmetic number, because the mean of its divisors is an integer number (5765846224996).

Almost surely, 2^{122426557356528} is an apocalyptic number.

122426557356528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122426557356528 is an abundant number, since it is smaller than the sum of its proper divisors (223524216143232).

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

122426557356528 is a wasteful number, since it uses less digits than its factorization.

122426557356528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254217846 (or 8254217837 counting only the distinct ones).

The product of its digits is 241920000, while the sum is 63.

The spelling of 122426557356528 in words is "one hundred twenty-two trillion, four hundred twenty-six billion, five hundred fifty-seven million, three hundred fifty-six thousand, five hundred twenty-eight".