129245759 has 2 divisors, whose sum is σ = 129245760. Its totient is φ = 129245758.

The previous prime is 129245719. The next prime is 129245791. The reversal of 129245759 is 957542921.

It is a strong prime.

It is an emirp because it is prime and its reverse (957542921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129245759 - 2⁸ = 129245503 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 (129245719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64622879 + 64622880.

It is an arithmetic number, because the mean of its divisors is an integer number (64622880).

Almost surely, 2^129245759 is an apocalyptic number.

129245759 is a deficient number, since it is larger than the sum of its proper divisors (1).

129245759 is an equidigital number, since it uses as much as digits as its factorization.

129245759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 129245759 is about 11368.6304804053. The cubic root of 129245759 is about 505.5981006224.

The spelling of 129245759 in words is "one hundred twenty-nine million, two hundred forty-five thousand, seven hundred fifty-nine".