130020797 has 2 divisors, whose sum is σ = 130020798. Its totient is φ = 130020796.

The previous prime is 130020769. The next prime is 130020841. The reversal of 130020797 is 797020031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123187801 + 6832996 = 11099^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 130020797 - 2¹² = 130016701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139020797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010398 + 65010399.

It is an arithmetic number, because the mean of its divisors is an integer number (65010399).

Almost surely, 2^130020797 is an apocalyptic number.

It is an amenable number.

130020797 is a deficient number, since it is larger than the sum of its proper divisors (1).

130020797 is an equidigital number, since it uses as much as digits as its factorization.

130020797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 130020797 is about 11402.6662233006. Note that the first 3 decimals coincide. The cubic root of 130020797 is about 506.6067141570.

The spelling of 130020797 in words is "one hundred thirty million, twenty thousand, seven hundred ninety-seven".