122125664 has 12 divisors (see below), whose sum is σ = 240434964. Its totient is φ = 61062816.

The previous prime is 122125649. The next prime is 122125669. The reversal of 122125664 is 466521221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122125669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1908182 + ... + 1908245.

It is an arithmetic number, because the mean of its divisors is an integer number (20036247).

Almost surely, 2^122125664 is an apocalyptic number.

It is an amenable number.

122125664 is a deficient number, since it is larger than the sum of its proper divisors (118309300).

122125664 is an equidigital number, since it uses as much as digits as its factorization.

122125664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816437 (or 3816429 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 122125664 is about 11051.0480950903. The cubic root of 122125664 is about 496.1377955686.

Adding to 122125664 its reverse (466521221), we get a palindrome (588646885).

The spelling of 122125664 in words is "one hundred twenty-two million, one hundred twenty-five thousand, six hundred sixty-four".