122706369 has 12 divisors (see below), whose sum is σ = 177393892. Its totient is φ = 81734400.

The previous prime is 122706359. The next prime is 122706373. The reversal of 122706369 is 963607221.

122706369 is a `hidden beast` number, since 12 + 2 + 7 + 0 + 636 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94478400 + 28227969 = 9720^2 + 5313^2 .

It is not a de Polignac number, because 122706369 - 2¹⁵ = 122673601 is a prime.

It is a super-2 number, since 2×122706369² = 30113705986328322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122706359) 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, 6729 + ... + 17049.

Almost surely, 2^122706369 is an apocalyptic number.

It is an amenable number.

122706369 is a deficient number, since it is larger than the sum of its proper divisors (54687523).

122706369 is a wasteful number, since it uses less digits than its factorization.

122706369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648 (or 11645 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 122706369 is about 11077.2906886115. The cubic root of 122706369 is about 496.9229274286.

The spelling of 122706369 in words is "one hundred twenty-two million, seven hundred six thousand, three hundred sixty-nine".