122664123 has 12 divisors (see below), whose sum is σ = 179317320. Its totient is φ = 80790336.

The previous prime is 122664119. The next prime is 122664151. The reversal of 122664123 is 321466221.

122664123 is a `hidden beast` number, since 12 + 2 + 6 + 641 + 2 + 3 = 666.

It is not a de Polignac number, because 122664123 - 2² = 122664119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122664103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81358 + ... + 82851.

It is an arithmetic number, because the mean of its divisors is an integer number (14943110).

Almost surely, 2^122664123 is an apocalyptic number.

122664123 is a deficient number, since it is larger than the sum of its proper divisors (56653197).

122664123 is a wasteful number, since it uses less digits than its factorization.

122664123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164298 (or 164295 counting only the distinct ones).

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

The square root of 122664123 is about 11075.3836502398. The cubic root of 122664123 is about 496.8658931284.

The spelling of 122664123 in words is "one hundred twenty-two million, six hundred sixty-four thousand, one hundred twenty-three".