130242025 has 12 divisors (see below), whose sum is σ = 163102284. Its totient is φ = 103160000.

The previous prime is 130241983. The next prime is 130242043. The reversal of 130242025 is 520242031.

It can be written as a sum of positive squares in 6 ways, for example, as 5517801 + 124724224 = 2349^2 + 11168^2 .

It is not a de Polignac number, because 130242025 - 2⁷ = 130241897 is a prime.

It is a super-2 number, since 2×130242025² = 33925970152201250, 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 = 130241993 and 130242011.

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, 23266 + ... + 28315.

It is an arithmetic number, because the mean of its divisors is an integer number (13591857).

Almost surely, 2^130242025 is an apocalyptic number.

It is an amenable number.

130242025 is a deficient number, since it is larger than the sum of its proper divisors (32860259).

130242025 is a wasteful number, since it uses less digits than its factorization.

130242025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51692 (or 51687 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 130242025 is about 11412.3628140714. The cubic root of 130242025 is about 506.8938786925.

Adding to 130242025 its reverse (520242031), we get a palindrome (650484056).

The spelling of 130242025 in words is "one hundred thirty million, two hundred forty-two thousand, twenty-five".