130112525 has 6 divisors (see below), whose sum is σ = 161339562. Its totient is φ = 104090000.

The previous prime is 130112503. The next prime is 130112561. The reversal of 130112525 is 525211031.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4605316 + 125507209 = 2146^2 + 11203^2 .

It is a de Polignac number, because none of the positive numbers 2^k-130112525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130112497 and 130112506.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2602226 + ... + 2602275.

It is an arithmetic number, because the mean of its divisors is an integer number (26889927).

Almost surely, 2^130112525 is an apocalyptic number.

It is an amenable number.

130112525 is a deficient number, since it is larger than the sum of its proper divisors (31227037).

130112525 is an equidigital number, since it uses as much as digits as its factorization.

130112525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204511 (or 5204506 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 130112525 is about 11406.6877313267. The cubic root of 130112525 is about 506.7258209923.

Adding to 130112525 its reverse (525211031), we get a palindrome (655323556).

The spelling of 130112525 in words is "one hundred thirty million, one hundred twelve thousand, five hundred twenty-five".