129043 has 4 divisors (see below), whose sum is σ = 132088. Its totient is φ = 126000.

The previous prime is 129037. The next prime is 129049. The reversal of 129043 is 340921.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (129037) and next prime (129049).

It is a cyclic number.

It is not a de Polignac number, because 129043 - 2⁵ = 129011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129043.

It is not an unprimeable number, because it can be changed into a prime (129049) 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, 1458 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (33022).

2¹²⁹⁰⁴³ is an apocalyptic number.

129043 is a deficient number, since it is larger than the sum of its proper divisors (3045).

129043 is an equidigital number, since it uses as much as digits as its factorization.

129043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 129043 is about 359.2255558838. The cubic root of 129043 is about 50.5333570421.

Adding to 129043 its reverse (340921), we get a palindrome (469964).

The spelling of 129043 in words is "one hundred twenty-nine thousand, forty-three".