122508404 has 12 divisors (see below), whose sum is σ = 221305728. Its totient is φ = 59278200.

The previous prime is 122508403. The next prime is 122508437. The reversal of 122508404 is 404805221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122508401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493862 + ... + 494109.

It is an arithmetic number, because the mean of its divisors is an integer number (18442144).

Almost surely, 2^122508404 is an apocalyptic number.

It is an amenable number.

122508404 is a deficient number, since it is larger than the sum of its proper divisors (98797324).

122508404 is a wasteful number, since it uses less digits than its factorization.

122508404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988006 (or 988004 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 122508404 is about 11068.3514580989. The cubic root of 122508404 is about 496.6555512029.

The spelling of 122508404 in words is "one hundred twenty-two million, five hundred eight thousand, four hundred four".