130123079 has 2 divisors, whose sum is σ = 130123080. Its totient is φ = 130123078.

The previous prime is 130123069. The next prime is 130123099. The reversal of 130123079 is 970321031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130123079 - 2⁸ = 130122823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130123009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65061539 + 65061540.

It is an arithmetic number, because the mean of its divisors is an integer number (65061540).

Almost surely, 2^130123079 is an apocalyptic number.

130123079 is a deficient number, since it is larger than the sum of its proper divisors (1).

130123079 is an equidigital number, since it uses as much as digits as its factorization.

130123079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 130123079 is about 11407.1503452878. The cubic root of 130123079 is about 506.7395215430.

The spelling of 130123079 in words is "one hundred thirty million, one hundred twenty-three thousand, seventy-nine".