12122975 has 12 divisors (see below), whose sum is σ = 15124776. Its totient is φ = 9638880.

The previous prime is 12122941. The next prime is 12122977. The reversal of 12122975 is 57922121.

It is not a de Polignac number, because 12122975 - 2²² = 7928671 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2924 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (1260398).

Almost surely, 2^12122975 is an apocalyptic number.

12122975 is a deficient number, since it is larger than the sum of its proper divisors (3001801).

12122975 is a wasteful number, since it uses less digits than its factorization.

12122975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2981 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 12122975 is about 3481.8062841003. The cubic root of 12122975 is about 229.7222545247.

The spelling of 12122975 in words is "twelve million, one hundred twenty-two thousand, nine hundred seventy-five".