129760259 has 2 divisors, whose sum is σ = 129760260. Its totient is φ = 129760258.

The previous prime is 129760231. The next prime is 129760261. The reversal of 129760259 is 952067921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129760259 is a prime.

It is a Sophie Germain prime.

Together with 129760261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129760219) 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, 64880129 + 64880130.

It is an arithmetic number, because the mean of its divisors is an integer number (64880130).

Almost surely, 2^129760259 is an apocalyptic number.

129760259 is a deficient number, since it is larger than the sum of its proper divisors (1).

129760259 is an equidigital number, since it uses as much as digits as its factorization.

129760259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 129760259 is about 11391.2360611129. The cubic root of 129760259 is about 506.2681053526.

The spelling of 129760259 in words is "one hundred twenty-nine million, seven hundred sixty thousand, two hundred fifty-nine".