129903283 has 2 divisors, whose sum is σ = 129903284. Its totient is φ = 129903282.

The previous prime is 129903229. The next prime is 129903289. The reversal of 129903283 is 382309921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129903283 - 2⁹ = 129902771 is a prime.

It is not a weakly prime, because it can be changed into another prime (129903289) 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, 64951641 + 64951642.

It is an arithmetic number, because the mean of its divisors is an integer number (64951642).

Almost surely, 2^129903283 is an apocalyptic number.

129903283 is a deficient number, since it is larger than the sum of its proper divisors (1).

129903283 is an equidigital number, since it uses as much as digits as its factorization.

129903283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 129903283 is about 11397.5121408139. The cubic root of 129903283 is about 506.4540428732.

The spelling of 129903283 in words is "one hundred twenty-nine million, nine hundred three thousand, two hundred eighty-three".