122166904 has 8 divisors (see below), whose sum is σ = 229062960. Its totient is φ = 61083448.

The previous prime is 122166901. The next prime is 122167009. The reversal of 122166904 is 409661221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122166901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7635424 + ... + 7635439.

It is an arithmetic number, because the mean of its divisors is an integer number (28632870).

Almost surely, 2^122166904 is an apocalyptic number.

It is an amenable number.

122166904 is a deficient number, since it is larger than the sum of its proper divisors (106896056).

122166904 is a wasteful number, since it uses less digits than its factorization.

122166904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15270869 (or 15270865 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 122166904 is about 11052.9138239652. The cubic root of 122166904 is about 496.1936353742.

The spelling of 122166904 in words is "one hundred twenty-two million, one hundred sixty-six thousand, nine hundred four".