122609404 has 12 divisors (see below), whose sum is σ = 215035128. Its totient is φ = 61170800.

The previous prime is 122609387. The next prime is 122609411. The reversal of 122609404 is 404906221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31402 + ... + 35089.

It is an arithmetic number, because the mean of its divisors is an integer number (17919594).

Almost surely, 2^122609404 is an apocalyptic number.

It is an amenable number.

122609404 is a deficient number, since it is larger than the sum of its proper divisors (92425724).

122609404 is a wasteful number, since it uses less digits than its factorization.

122609404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66956 (or 66954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 122609404 is about 11072.9130765124. The cubic root of 122609404 is about 496.7920001599.

The spelling of 122609404 in words is "one hundred twenty-two million, six hundred nine thousand, four hundred four".