130242251 has 2 divisors, whose sum is σ = 130242252. Its totient is φ = 130242250.

The previous prime is 130242239. The next prime is 130242269. The reversal of 130242251 is 152242031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130242251 - 2²² = 126047947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (130242221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65121125 + 65121126.

It is an arithmetic number, because the mean of its divisors is an integer number (65121126).

Almost surely, 2^130242251 is an apocalyptic number.

130242251 is a deficient number, since it is larger than the sum of its proper divisors (1).

130242251 is an equidigital number, since it uses as much as digits as its factorization.

130242251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130242251 is about 11412.3727156100. The cubic root of 130242251 is about 506.8941718850.

Adding to 130242251 its reverse (152242031), we get a palindrome (282484282).

The spelling of 130242251 in words is "one hundred thirty million, two hundred forty-two thousand, two hundred fifty-one".