129330259 has 2 divisors, whose sum is σ = 129330260. Its totient is φ = 129330258.

The previous prime is 129330251. The next prime is 129330287. The reversal of 129330259 is 952033921.

It is a weak prime.

It is an emirp because it is prime and its reverse (952033921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129330259 - 2³ = 129330251 is a prime.

It is not a weakly prime, because it can be changed into another prime (129330251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64665129 + 64665130.

It is an arithmetic number, because the mean of its divisors is an integer number (64665130).

Almost surely, 2^129330259 is an apocalyptic number.

129330259 is a deficient number, since it is larger than the sum of its proper divisors (1).

129330259 is an equidigital number, since it uses as much as digits as its factorization.

129330259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 129330259 is about 11372.3462398926. The cubic root of 129330259 is about 505.7082621537.

The spelling of 129330259 in words is "one hundred twenty-nine million, three hundred thirty thousand, two hundred fifty-nine".