129296325 has 24 divisors (see below), whose sum is σ = 216789696. Its totient is φ = 67984000.

The previous prime is 129296303. The next prime is 129296341. The reversal of 129296325 is 523692921.

It is not a de Polignac number, because 129296325 - 2¹⁰ = 129295301 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6816 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (9032904).

Almost surely, 2^129296325 is an apocalyptic number.

129296325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129296325 is a deficient number, since it is larger than the sum of its proper divisors (87493371).

129296325 is a wasteful number, since it uses less digits than its factorization.

129296325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24365 (or 24360 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 129296325 is about 11370.8541895497. The cubic root of 129296325 is about 505.6640286144.

The spelling of 129296325 in words is "one hundred twenty-nine million, two hundred ninety-six thousand, three hundred twenty-five".