122553626406 has 16 divisors (see below), whose sum is σ = 245144918448. Its totient is φ = 40844931200.

The previous prime is 122553626389. The next prime is 122553626411. The reversal of 122553626406 is 604626355221.

It is a super-2 number, since 2×122553626406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527015 + ... + 1605266.

It is an arithmetic number, because the mean of its divisors is an integer number (15321557403).

Almost surely, 2^122553626406 is an apocalyptic number.

122553626406 is an abundant number, since it is smaller than the sum of its proper divisors (122591292042).

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

122553626406 is a wasteful number, since it uses less digits than its factorization.

122553626406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138807.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 122553626406 in words is "one hundred twenty-two billion, five hundred fifty-three million, six hundred twenty-six thousand, four hundred six".