125010225 has 36 divisors (see below), whose sum is σ = 226165212. Its totient is φ = 66000000.

The previous prime is 125010191. The next prime is 125010227. The reversal of 125010225 is 522010521.

It can be written as a sum of positive squares in 6 ways, for example, as 26286129 + 98724096 = 5127^2 + 9936^2 .

It is not a de Polignac number, because 125010225 - 2⁹ = 125009713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125010198 and 125010207.

It is not an unprimeable number, because it can be changed into a prime (125010227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19975 + ... + 25475.

It is an arithmetic number, because the mean of its divisors is an integer number (6282367).

Almost surely, 2^125010225 is an apocalyptic number.

125010225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125010225 is a deficient number, since it is larger than the sum of its proper divisors (101154987).

125010225 is a wasteful number, since it uses less digits than its factorization.

125010225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618 (or 5610 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 125010225 is about 11180.7971540494. The cubic root of 125010225 is about 500.0136329616.

Adding to 125010225 its reverse (522010521), we get a palindrome (647020746).

The spelling of 125010225 in words is "one hundred twenty-five million, ten thousand, two hundred twenty-five".