122609169 has 12 divisors (see below), whose sum is σ = 177385936. Its totient is φ = 81608472.

The previous prime is 122609161. The next prime is 122609171. The reversal of 122609169 is 961906221.

It is not a de Polignac number, because 122609169 - 2³ = 122609161 is a prime.

It is a super-2 number, since 2×122609169² = 30066016645741122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122609161) 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, 4807 + ... + 16380.

Almost surely, 2^122609169 is an apocalyptic number.

It is an amenable number.

122609169 is a deficient number, since it is larger than the sum of its proper divisors (54776767).

122609169 is a wasteful number, since it uses less digits than its factorization.

122609169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21836 (or 21833 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 122609169 is about 11072.9024650270. The cubic root of 122609169 is about 496.7916827666.

The spelling of 122609169 in words is "one hundred twenty-two million, six hundred nine thousand, one hundred sixty-nine".