122287256553 has 24 divisors (see below), whose sum is σ = 206912763360. Its totient is φ = 63525846720.

The previous prime is 122287256537. The next prime is 122287256587. The reversal of 122287256553 is 355652782221.

It is not a de Polignac number, because 122287256553 - 2⁴ = 122287256537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122287256453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37811388 + ... + 37814621.

It is an arithmetic number, because the mean of its divisors is an integer number (8621365140).

Almost surely, 2^122287256553 is an apocalyptic number.

It is an amenable number.

122287256553 is a deficient number, since it is larger than the sum of its proper divisors (84625506807).

122287256553 is a wasteful number, since it uses less digits than its factorization.

122287256553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75626037 (or 75626030 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The spelling of 122287256553 in words is "one hundred twenty-two billion, two hundred eighty-seven million, two hundred fifty-six thousand, five hundred fifty-three".