12225125 has 32 divisors (see below), whose sum is σ = 17656704. Its totient is φ = 8352000.

The previous prime is 12225107. The next prime is 12225149. The reversal of 12225125 is 52152221.

It is a happy number.

12225125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12225125 - 2¹⁰ = 12224101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12225097 and 12225106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23114 + ... + 23636.

It is an arithmetic number, because the mean of its divisors is an integer number (551772).

Almost surely, 2^12225125 is an apocalyptic number.

It is an amenable number.

12225125 is a deficient number, since it is larger than the sum of its proper divisors (5431579).

12225125 is a wasteful number, since it uses less digits than its factorization.

12225125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 556 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 12225125 is about 3496.4446227561. Note that the first 3 decimals coincide. The cubic root of 12225125 is about 230.3656753960.

Adding to 12225125 its reverse (52152221), we get a palindrome (64377346).

The spelling of 12225125 in words is "twelve million, two hundred twenty-five thousand, one hundred twenty-five".