122553256017 has 8 divisors (see below), whose sum is σ = 164486489920. Its totient is φ = 81161096400.

The previous prime is 122553255991. The next prime is 122553256061. The reversal of 122553256017 is 710652355221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122553256017 - 2⁶ = 122553255953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122553258017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135268042 + ... + 135268947.

It is an arithmetic number, because the mean of its divisors is an integer number (20560811240).

Almost surely, 2^122553256017 is an apocalyptic number.

It is an amenable number.

122553256017 is a deficient number, since it is larger than the sum of its proper divisors (41933233903).

122553256017 is a wasteful number, since it uses less digits than its factorization.

122553256017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270537143.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 122553256017 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred fifty-six thousand, seventeen".