129988303 has 2 divisors, whose sum is σ = 129988304. Its totient is φ = 129988302.

The previous prime is 129988279. The next prime is 129988321. The reversal of 129988303 is 303889921.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129988303 - 2¹³ = 129980111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129988303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129988333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64994151 + 64994152.

It is an arithmetic number, because the mean of its divisors is an integer number (64994152).

Almost surely, 2^129988303 is an apocalyptic number.

129988303 is a deficient number, since it is larger than the sum of its proper divisors (1).

129988303 is an equidigital number, since it uses as much as digits as its factorization.

129988303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 129988303 is about 11401.2412920699. The cubic root of 129988303 is about 506.5645079601.

The spelling of 129988303 in words is "one hundred twenty-nine million, nine hundred eighty-eight thousand, three hundred three".