129325973 has 8 divisors (see below), whose sum is σ = 148128192. Its totient is φ = 110605536.

The previous prime is 129325967. The next prime is 129325979. The reversal of 129325973 is 379523921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (129325967) and next prime (129325979).

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 129325973 - 2⁴ = 129325957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129325973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129325979) 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 7 ways as a sum of consecutive naturals, for example, 17015 + ... + 23412.

It is an arithmetic number, because the mean of its divisors is an integer number (18516024).

Almost surely, 2^129325973 is an apocalyptic number.

It is an amenable number.

129325973 is a deficient number, since it is larger than the sum of its proper divisors (18802219).

129325973 is an equidigital number, since it uses as much as digits as its factorization.

129325973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40891.

The product of its digits is 102060, while the sum is 41.

The square root of 129325973 is about 11372.1577987645. The cubic root of 129325973 is about 505.7026757076.

The spelling of 129325973 in words is "one hundred twenty-nine million, three hundred twenty-five thousand, nine hundred seventy-three".