129325827 has 8 divisors (see below), whose sum is σ = 172779264. Its totient is φ = 86044808.

The previous prime is 129325793. The next prime is 129325853. The reversal of 129325827 is 728523921.

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 129325827 - 2¹⁰ = 129324803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129325627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41343 + ... + 44360.

It is an arithmetic number, because the mean of its divisors is an integer number (21597408).

Almost surely, 2^129325827 is an apocalyptic number.

129325827 is a deficient number, since it is larger than the sum of its proper divisors (43453437).

129325827 is an equidigital number, since it uses as much as digits as its factorization.

129325827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86209.

The product of its digits is 60480, while the sum is 39.

The square root of 129325827 is about 11372.1513795763. The cubic root of 129325827 is about 505.7024854066.

The spelling of 129325827 in words is "one hundred twenty-nine million, three hundred twenty-five thousand, eight hundred twenty-seven".