122164404 has 24 divisors (see below), whose sum is σ = 285364128. Its totient is φ = 40676640.

The previous prime is 122164387. The next prime is 122164409. The reversal of 122164404 is 404461221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122164409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6859 + ... + 17069.

It is an arithmetic number, because the mean of its divisors is an integer number (11890172).

Almost surely, 2^122164404 is an apocalyptic number.

It is an amenable number.

122164404 is an abundant number, since it is smaller than the sum of its proper divisors (163199724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122164404 is a wasteful number, since it uses less digits than its factorization.

122164404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 122164404 is about 11052.8007310365. The cubic root of 122164404 is about 496.1902506808.

The spelling of 122164404 in words is "one hundred twenty-two million, one hundred sixty-four thousand, four hundred four".