122634513 has 8 divisors (see below), whose sum is σ = 181680800. Its totient is φ = 81756324.

The previous prime is 122634497. The next prime is 122634521. The reversal of 122634513 is 315436221.

122634513 is a `hidden beast` number, since 1 + 22 + 634 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 122634513 - 2⁴ = 122634497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4542019 = 122634513 / (1 + 2 + 2 + 6 + 3 + 4 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122634553) 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, 2270983 + ... + 2271036.

It is an arithmetic number, because the mean of its divisors is an integer number (22710100).

Almost surely, 2^122634513 is an apocalyptic number.

It is an amenable number.

122634513 is a deficient number, since it is larger than the sum of its proper divisors (59046287).

122634513 is an equidigital number, since it uses as much as digits as its factorization.

122634513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542028 (or 4542022 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 122634513 is about 11074.0468212844. The cubic root of 122634513 is about 496.8259102802.

The spelling of 122634513 in words is "one hundred twenty-two million, six hundred thirty-four thousand, five hundred thirteen".