130124287 has 2 divisors, whose sum is σ = 130124288. Its totient is φ = 130124286.

The previous prime is 130124279. The next prime is 130124347. The reversal of 130124287 is 782421031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130124287 - 2³ = 130124279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130124237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65062143 + 65062144.

It is an arithmetic number, because the mean of its divisors is an integer number (65062144).

Almost surely, 2^130124287 is an apocalyptic number.

130124287 is a deficient number, since it is larger than the sum of its proper divisors (1).

130124287 is an equidigital number, since it uses as much as digits as its factorization.

130124287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 130124287 is about 11407.2032944101. The cubic root of 130124287 is about 506.7410896467.

The spelling of 130124287 in words is "one hundred thirty million, one hundred twenty-four thousand, two hundred eighty-seven".