122628605 has 16 divisors (see below), whose sum is σ = 163168128. Its totient is φ = 87720000.

The previous prime is 122628589. The next prime is 122628613. The reversal of 122628605 is 506826221.

It is not a de Polignac number, because 122628605 - 2⁴ = 122628589 is a prime.

It is a Duffinian number.

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, 14921 + ... + 21630.

It is an arithmetic number, because the mean of its divisors is an integer number (10198008).

Almost surely, 2^122628605 is an apocalyptic number.

It is an amenable number.

122628605 is a deficient number, since it is larger than the sum of its proper divisors (40539523).

122628605 is a wasteful number, since it uses less digits than its factorization.

122628605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36628.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 122628605 is about 11073.7800682513. The cubic root of 122628605 is about 496.8179318448.

The spelling of 122628605 in words is "one hundred twenty-two million, six hundred twenty-eight thousand, six hundred five".