129163 has 4 divisors (see below), whose sum is σ = 129960. Its totient is φ = 128368.

The previous prime is 129127. The next prime is 129169. The reversal of 129163 is 361921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 511.

It is an arithmetic number, because the mean of its divisors is an integer number (32490).

2¹²⁹¹⁶³ is an apocalyptic number.

129163 is a deficient number, since it is larger than the sum of its proper divisors (797).

129163 is an equidigital number, since it uses as much as digits as its factorization.

129163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its digits is 324, while the sum is 22.

The square root of 129163 is about 359.3925430501. The cubic root of 129163 is about 50.5490162258.

It can be divided in two parts, 129 and 163, that added together give a palindrome (292).

The spelling of 129163 in words is "one hundred twenty-nine thousand, one hundred sixty-three".