130123291 has 2 divisors, whose sum is σ = 130123292. Its totient is φ = 130123290.

The previous prime is 130123271. The next prime is 130123369. The reversal of 130123291 is 192321031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130123291 - 2²¹ = 128026139 is a prime.

It is not a weakly prime, because it can be changed into another prime (130123211) 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, 65061645 + 65061646.

It is an arithmetic number, because the mean of its divisors is an integer number (65061646).

Almost surely, 2^130123291 is an apocalyptic number.

130123291 is a deficient number, since it is larger than the sum of its proper divisors (1).

130123291 is an equidigital number, since it uses as much as digits as its factorization.

130123291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 130123291 is about 11407.1596377012. The cubic root of 130123291 is about 506.7397967407.

The spelling of 130123291 in words is "one hundred thirty million, one hundred twenty-three thousand, two hundred ninety-one".