130121297 has 2 divisors, whose sum is σ = 130121298. Its totient is φ = 130121296.

The previous prime is 130121287. The next prime is 130121317. The reversal of 130121297 is 792121031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126877696 + 3243601 = 11264^2 + 1801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130121297 is a prime.

It is not a weakly prime, because it can be changed into another prime (130121207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060648 + 65060649.

It is an arithmetic number, because the mean of its divisors is an integer number (65060649).

Almost surely, 2^130121297 is an apocalyptic number.

It is an amenable number.

130121297 is a deficient number, since it is larger than the sum of its proper divisors (1).

130121297 is an equidigital number, since it uses as much as digits as its factorization.

130121297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 130121297 is about 11407.0722361174. The cubic root of 130121297 is about 506.7372083127.

The spelling of 130121297 in words is "one hundred thirty million, one hundred twenty-one thousand, two hundred ninety-seven".