129006 has 16 divisors (see below), whose sum is σ = 286800. Its totient is φ = 42984.

The previous prime is 129001. The next prime is 129011. The reversal of 129006 is 600921.

It is an interprime number because it is at equal distance from previous prime (129001) and next prime (129011).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 129006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141 + ... + 1248.

It is an arithmetic number, because the mean of its divisors is an integer number (17925).

2¹²⁹⁰⁰⁶ is an apocalyptic number.

129006 is an abundant number, since it is smaller than the sum of its proper divisors (157794).

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

129006 is a wasteful number, since it uses less digits than its factorization.

129006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 129006 is about 359.1740525149. The cubic root of 129006 is about 50.5285268358.

Adding to 129006 its reverse (600921), we get a palindrome (729927).

The spelling of 129006 in words is "one hundred twenty-nine thousand, six".