122634621 has 16 divisors (see below), whose sum is σ = 181854720. Its totient is φ = 81678240.

The previous prime is 122634619. The next prime is 122634641. The reversal of 122634621 is 126436221.

122634621 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 34 + 621 = 666.

It is not a de Polignac number, because 122634621 - 2¹ = 122634619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122634601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46036 + ... + 48626.

It is an arithmetic number, because the mean of its divisors is an integer number (11365920).

Almost surely, 2^122634621 is an apocalyptic number.

It is an amenable number.

122634621 is a deficient number, since it is larger than the sum of its proper divisors (59220099).

122634621 is a wasteful number, since it uses less digits than its factorization.

122634621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353 (or 4347 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 122634621 is about 11074.0516975495. The cubic root of 122634621 is about 496.8260561260.

The spelling of 122634621 in words is "one hundred twenty-two million, six hundred thirty-four thousand, six hundred twenty-one".