129633 has 8 divisors (see below), whose sum is σ = 197568. Its totient is φ = 74064.

The previous prime is 129631. The next prime is 129641. The reversal of 129633 is 336921.

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

It is not a de Polignac number, because 129633 - 2¹ = 129631 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 129633.

It is not an unprimeable number, because it can be changed into a prime (129631) 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, 3066 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (24696).

2¹²⁹⁶³³ is an apocalyptic number.

It is an amenable number.

129633 is a deficient number, since it is larger than the sum of its proper divisors (67935).

129633 is an equidigital number, since it uses as much as digits as its factorization.

129633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183.

The product of its digits is 972, while the sum is 24.

The square root of 129633 is about 360.0458304161. The cubic root of 129633 is about 50.6102548125.

The spelling of 129633 in words is "one hundred twenty-nine thousand, six hundred thirty-three".