125104225 has 9 divisors (see below), whose sum is σ = 155198617. Its totient is φ = 100038640.

The previous prime is 125104223. The next prime is 125104237. The reversal of 125104225 is 522401521.

The square root of 125104225 is 11185.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3751969 + 121352256 = 1937^2 + 11016^2 .

It is not a de Polignac number, because 125104225 - 2¹ = 125104223 is a prime.

It is a super-2 number, since 2×125104225² = 31302134225701250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125104196 and 125104205.

It is not an unprimeable number, because it can be changed into a prime (125104223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54807 + ... + 57043.

Almost surely, 2^125104225 is an apocalyptic number.

125104225 is the 11185-th square number.

125104225 is the 5593-rd centered octagonal number.

It is an amenable number.

125104225 is a deficient number, since it is larger than the sum of its proper divisors (30094392).

125104225 is an frugal number, since it uses more digits than its factorization.

125104225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The cubic root of 125104225 is about 500.1389280611.

Adding to 125104225 its reverse (522401521), we get a palindrome (647505746).

The spelling of 125104225 in words is "one hundred twenty-five million, one hundred four thousand, two hundred twenty-five".