129899303 has 2 divisors, whose sum is σ = 129899304. Its totient is φ = 129899302.

The previous prime is 129899279. The next prime is 129899311. The reversal of 129899303 is 303998921.

It is a strong prime.

It is an emirp because it is prime and its reverse (303998921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129899303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129899383) 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, 64949651 + 64949652.

It is an arithmetic number, because the mean of its divisors is an integer number (64949652).

Almost surely, 2^129899303 is an apocalyptic number.

129899303 is a deficient number, since it is larger than the sum of its proper divisors (1).

129899303 is an equidigital number, since it uses as much as digits as its factorization.

129899303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 129899303 is about 11397.3375399696. The cubic root of 129899303 is about 506.4488705438.

The spelling of 129899303 in words is "one hundred twenty-nine million, eight hundred ninety-nine thousand, three hundred three".