125315225 has 12 divisors (see below), whose sum is σ = 177589824. Its totient is φ = 85930320.

The previous prime is 125315219. The next prime is 125315227. The reversal of 125315225 is 522513521.

It is not a de Polignac number, because 125315225 - 2¹⁰ = 125314201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125315194 and 125315203.

It is not an unprimeable number, because it can be changed into a prime (125315227) 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 11 ways as a sum of consecutive naturals, for example, 357869 + ... + 358218.

It is an arithmetic number, because the mean of its divisors is an integer number (14799152).

Almost surely, 2^125315225 is an apocalyptic number.

It is an amenable number.

125315225 is a deficient number, since it is larger than the sum of its proper divisors (52274599).

125315225 is an equidigital number, since it uses as much as digits as its factorization.

125315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716104 (or 716099 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 125315225 is about 11194.4283016150. The cubic root of 125315225 is about 500.4199471900.

Adding to 125315225 its reverse (522513521), we get a palindrome (647828746).

The spelling of 125315225 in words is "one hundred twenty-five million, three hundred fifteen thousand, two hundred twenty-five".