130120997 has 2 divisors, whose sum is σ = 130120998. Its totient is φ = 130120996.

The previous prime is 130120993. The next prime is 130121011. The reversal of 130120997 is 799021031.

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., 129026881 + 1094116 = 11359^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 130120997 - 2² = 130120993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130120993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060498 + 65060499.

It is an arithmetic number, because the mean of its divisors is an integer number (65060499).

Almost surely, 2^130120997 is an apocalyptic number.

It is an amenable number.

130120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

130120997 is an equidigital number, since it uses as much as digits as its factorization.

130120997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 130120997 is about 11407.0590863728. The cubic root of 130120997 is about 506.7368188779.

The spelling of 130120997 in words is "one hundred thirty million, one hundred twenty thousand, nine hundred ninety-seven".