129301297 has 2 divisors, whose sum is σ = 129301298. Its totient is φ = 129301296.

The previous prime is 129301283. The next prime is 129301313. The reversal of 129301297 is 792103921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129140496 + 160801 = 11364^2 + 401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129301297 is a prime.

It is not a weakly prime, because it can be changed into another prime (129311297) 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, 64650648 + 64650649.

It is an arithmetic number, because the mean of its divisors is an integer number (64650649).

Almost surely, 2^129301297 is an apocalyptic number.

It is an amenable number.

129301297 is a deficient number, since it is larger than the sum of its proper divisors (1).

129301297 is an equidigital number, since it uses as much as digits as its factorization.

129301297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 129301297 is about 11371.0728165816. The cubic root of 129301297 is about 505.6705101839.

The spelling of 129301297 in words is "one hundred twenty-nine million, three hundred one thousand, two hundred ninety-seven".