125204225 has 12 divisors (see below), whose sum is σ = 156763776. Its totient is φ = 99188880.

The previous prime is 125204197. The next prime is 125204227. The reversal of 125204225 is 522402521.

It is not a de Polignac number, because 125204225 - 2⁶ = 125204161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125204225.

It is not an unprimeable number, because it can be changed into a prime (125204227) 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, 21737 + ... + 26886.

It is an arithmetic number, because the mean of its divisors is an integer number (13063648).

Almost surely, 2^125204225 is an apocalyptic number.

It is an amenable number.

125204225 is a deficient number, since it is larger than the sum of its proper divisors (31559551).

125204225 is a wasteful number, since it uses less digits than its factorization.

125204225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48736 (or 48731 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 125204225 is about 11189.4693797338. The cubic root of 125204225 is about 500.2721518399.

Adding to 125204225 its reverse (522402521), we get a palindrome (647606746).

The spelling of 125204225 in words is "one hundred twenty-five million, two hundred four thousand, two hundred twenty-five".