24129 has 12 divisors (see below), whose sum is σ = 39936. Its totient is φ = 13752.

The previous prime is 24121. The next prime is 24133. The reversal of 24129 is 92142.

It is not a de Polignac number, because 24129 - 2³ = 24121 is a prime.

It is a Curzon number.

24129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (24121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129 + ... + 254.

It is an arithmetic number, because the mean of its divisors is an integer number (3328).

2²⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

24129 is a deficient number, since it is larger than the sum of its proper divisors (15807).

24129 is a wasteful number, since it uses less digits than its factorization.

24129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 393 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 24129 is about 155.3351215920. The cubic root of 24129 is about 28.8965796968.

It can be divided in two parts, 24 and 129, that added together give a triangular number (153 = T₁₇).

The spelling of 24129 in words is "twenty-four thousand, one hundred twenty-nine".