129532 has 24 divisors (see below), whose sum is σ = 254016. Its totient is φ = 57408.

The previous prime is 129529. The next prime is 129533. The reversal of 129532 is 235921.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (10584).

2¹²⁹⁵³² is an apocalyptic number.

It is an amenable number.

129532 is a deficient number, since it is larger than the sum of its proper divisors (124484).

129532 is a wasteful number, since it uses less digits than its factorization.

129532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 129532 is about 359.9055431638. The cubic root of 129532 is about 50.5971075331.

The spelling of 129532 in words is "one hundred twenty-nine thousand, five hundred thirty-two".