129882 has 8 divisors (see below), whose sum is σ = 259776. Its totient is φ = 43292.

The previous prime is 129853. The next prime is 129887. The reversal of 129882 is 288921.

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

129882 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129887) by changing a digit.

129882 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10818 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (32472).

2¹²⁹⁸⁸² is an apocalyptic number.

129882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129882 is a wasteful number, since it uses less digits than its factorization.

129882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21652.

The product of its digits is 2304, while the sum is 30.

The square root of 129882 is about 360.3914538387. The cubic root of 129882 is about 50.6426382679.

The spelling of 129882 in words is "one hundred twenty-nine thousand, eight hundred eighty-two".