122601005256 has 16 divisors (see below), whose sum is σ = 306502513200. Its totient is φ = 40867001744.

The previous prime is 122601005251. The next prime is 122601005299. The reversal of 122601005256 is 652500106221.

It is not an unprimeable number, because it can be changed into a prime (122601005251) 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, 2554187586 + ... + 2554187633.

It is an arithmetic number, because the mean of its divisors is an integer number (19156407075).

Almost surely, 2^122601005256 is an apocalyptic number.

It is an amenable number.

122601005256 is an abundant number, since it is smaller than the sum of its proper divisors (183901507944).

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

122601005256 is a wasteful number, since it uses less digits than its factorization.

122601005256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108375228 (or 5108375224 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 122601005256 in words is "one hundred twenty-two billion, six hundred one million, five thousand, two hundred fifty-six".