129384703 has 4 divisors (see below), whose sum is σ = 147868240. Its totient is φ = 110901168.

The previous prime is 129384659. The next prime is 129384743. The reversal of 129384703 is 307483921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 129384703 - 2⁹ = 129384191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129384743) 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 in 3 ways as a sum of consecutive naturals, for example, 9241758 + ... + 9241771.

It is an arithmetic number, because the mean of its divisors is an integer number (36967060).

Almost surely, 2^129384703 is an apocalyptic number.

129384703 is a deficient number, since it is larger than the sum of its proper divisors (18483537).

129384703 is an equidigital number, since it uses as much as digits as its factorization.

129384703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18483536.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 129384703 is about 11374.7396893292. The cubic root of 129384703 is about 505.7792146600.

The spelling of 129384703 in words is "one hundred twenty-nine million, three hundred eighty-four thousand, seven hundred three".