122274513 has 6 divisors (see below), whose sum is σ = 176618754. Its totient is φ = 81516336.

The previous prime is 122274487. The next prime is 122274517. The reversal of 122274513 is 315472221.

122274513 is a `hidden beast` number, since 122 + 27 + 4 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67765824 + 54508689 = 8232^2 + 7383^2 .

It is not a de Polignac number, because 122274513 - 2²¹ = 120177361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122274517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6793020 + ... + 6793037.

It is an arithmetic number, because the mean of its divisors is an integer number (29436459).

Almost surely, 2^122274513 is an apocalyptic number.

It is an amenable number.

122274513 is a deficient number, since it is larger than the sum of its proper divisors (54344241).

122274513 is a wasteful number, since it uses less digits than its factorization.

122274513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586063 (or 13586060 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 122274513 is about 11057.7806543628. The cubic root of 122274513 is about 496.3392810154.

The spelling of 122274513 in words is "one hundred twenty-two million, two hundred seventy-four thousand, five hundred thirteen".