129486 has 16 divisors (see below), whose sum is σ = 296064. Its totient is φ = 36984.

The previous prime is 129469. The next prime is 129491. The reversal of 129486 is 684921.

129486 is nontrivially palindromic in base 12.

It is a congruent number.

It is an unprimeable number.

129486 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 7 ways as a sum of consecutive naturals, for example, 1500 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (18504).

2¹²⁹⁴⁸⁶ is an apocalyptic number.

129486 is an abundant number, since it is smaller than the sum of its proper divisors (166578).

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

129486 is a wasteful number, since it uses less digits than its factorization.

129486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095.

The product of its digits is 3456, while the sum is 30.

The square root of 129486 is about 359.8416318327. The cubic root of 129486 is about 50.5911173980.

The spelling of 129486 in words is "one hundred twenty-nine thousand, four hundred eighty-six".