129376803 has 8 divisors (see below), whose sum is σ = 174115008. Its totient is φ = 85444904.

The previous prime is 129376777. The next prime is 129376811. The reversal of 129376803 is 308673921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129376803 - 2⁶ = 129376739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129376813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201201 + ... + 201842.

It is an arithmetic number, because the mean of its divisors is an integer number (21764376).

Almost surely, 2^129376803 is an apocalyptic number.

129376803 is a deficient number, since it is larger than the sum of its proper divisors (44738205).

129376803 is a wasteful number, since it uses less digits than its factorization.

129376803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403153.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 129376803 is about 11374.3924233341. The cubic root of 129376803 is about 505.7689204572.

The spelling of 129376803 in words is "one hundred twenty-nine million, three hundred seventy-six thousand, eight hundred three".