122554628256 has 48 divisors (see below), whose sum is σ = 332799213600. Its totient is φ = 39442867968.

The previous prime is 122554628249. The next prime is 122554628279. The reversal of 122554628256 is 652826455221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 22007746 + ... + 22013313.

It is an arithmetic number, because the mean of its divisors is an integer number (6933316950).

Almost surely, 2^122554628256 is an apocalyptic number.

122554628256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122554628256 is an abundant number, since it is smaller than the sum of its proper divisors (210244585344).

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

122554628256 is a wasteful number, since it uses less digits than its factorization.

122554628256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021101 (or 44021093 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 48.

The spelling of 122554628256 in words is "one hundred twenty-two billion, five hundred fifty-four million, six hundred twenty-eight thousand, two hundred fifty-six".