129032096 has 24 divisors (see below), whose sum is σ = 254467584. Its totient is φ = 64405440.

The previous prime is 129032089. The next prime is 129032119. The reversal of 129032096 is 690230921.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17441 + ... + 23711.

It is an arithmetic number, because the mean of its divisors is an integer number (10602816).

Almost surely, 2^129032096 is an apocalyptic number.

129032096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129032096 is a deficient number, since it is larger than the sum of its proper divisors (125435488).

129032096 is an equidigital number, since it uses as much as digits as its factorization.

129032096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924 (or 6916 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 129032096 is about 11359.2295513384. The cubic root of 129032096 is about 505.3193366323.

The spelling of 129032096 in words is "one hundred twenty-nine million, thirty-two thousand, ninety-six".