122405045 has 16 divisors (see below), whose sum is σ = 168583680. Its totient is φ = 83577984.

The previous prime is 122405021. The next prime is 122405071. The reversal of 122405045 is 540504221.

It is a happy number.

It is not a de Polignac number, because 122405045 - 2²⁴ = 105627829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122405045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (10536480).

Almost surely, 2^122405045 is an apocalyptic number.

It is an amenable number.

122405045 is a deficient number, since it is larger than the sum of its proper divisors (46178635).

122405045 is a wasteful number, since it uses less digits than its factorization.

122405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 122405045 is about 11063.6813493520. The cubic root of 122405045 is about 496.5158376191.

Adding to 122405045 its reverse (540504221), we get a palindrome (662909266).

The spelling of 122405045 in words is "one hundred twenty-two million, four hundred five thousand, forty-five".