125111225 has 12 divisors (see below), whose sum is σ = 156677100. Its totient is φ = 99096000.

The previous prime is 125111179. The next prime is 125111243. The reversal of 125111225 is 522111521.

It can be written as a sum of positive squares in 6 ways, for example, as 13935289 + 111175936 = 3733^2 + 10544^2 .

It is not a de Polignac number, because 125111225 - 2⁸ = 125110969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125111197 and 125111206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22250 + ... + 27299.

It is an arithmetic number, because the mean of its divisors is an integer number (13056425).

Almost surely, 2^125111225 is an apocalyptic number.

It is an amenable number.

125111225 is a deficient number, since it is larger than the sum of its proper divisors (31565875).

125111225 is a wasteful number, since it uses less digits than its factorization.

125111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49660 (or 49655 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 125111225 is about 11185.3129147110. The cubic root of 125111225 is about 500.1482560360.

Adding to 125111225 its reverse (522111521), we get a palindrome (647222746).

The spelling of 125111225 in words is "one hundred twenty-five million, one hundred eleven thousand, two hundred twenty-five".