122655632456 has 16 divisors (see below), whose sum is σ = 262833498240. Its totient is φ = 52566699600.

The previous prime is 122655632369. The next prime is 122655632459. The reversal of 122655632456 is 654236556221.

It is a self number, because there is not a number n which added to its sum of digits gives 122655632456.

It is not an unprimeable number, because it can be changed into a prime (122655632459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095139520 + ... + 1095139631.

It is an arithmetic number, because the mean of its divisors is an integer number (16427093640).

Almost surely, 2^122655632456 is an apocalyptic number.

It is an amenable number.

122655632456 is an abundant number, since it is smaller than the sum of its proper divisors (140177865784).

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

122655632456 is a wasteful number, since it uses less digits than its factorization.

122655632456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190279164 (or 2190279160 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The spelling of 122655632456 in words is "one hundred twenty-two billion, six hundred fifty-five million, six hundred thirty-two thousand, four hundred fifty-six".