12123875 has 16 divisors (see below), whose sum is σ = 15792192. Its totient is φ = 9275200.

The previous prime is 12123857. The next prime is 12123877. The reversal of 12123875 is 57832121.

It is not a de Polignac number, because 12123875 - 2¹⁶ = 12058339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767 + ... + 4983.

It is an arithmetic number, because the mean of its divisors is an integer number (987012).

Almost surely, 2^12123875 is an apocalyptic number.

12123875 is a deficient number, since it is larger than the sum of its proper divisors (3668317).

12123875 is an equidigital number, since it uses as much as digits as its factorization.

12123875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4245 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 12123875 is about 3481.9355249631. The cubic root of 12123875 is about 229.7279391830.

Adding to 12123875 its reverse (57832121), we get a palindrome (69955996).

The spelling of 12123875 in words is "twelve million, one hundred twenty-three thousand, eight hundred seventy-five".