12125907 has 12 divisors (see below), whose sum is σ = 17556240. Its totient is φ = 8065008.

The previous prime is 12125891. The next prime is 12125909. The reversal of 12125907 is 70952121.

12125907 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12125907 - 2⁴ = 12125891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12125909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3258 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (1463020).

Almost surely, 2^12125907 is an apocalyptic number.

12125907 is a deficient number, since it is larger than the sum of its proper divisors (5430333).

12125907 is a wasteful number, since it uses less digits than its factorization.

12125907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162 (or 3159 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12125907 is about 3482.2273044705. The cubic root of 12125907 is about 229.7407728438.

The spelling of 12125907 in words is "twelve million, one hundred twenty-five thousand, nine hundred seven".