129068 has 12 divisors (see below), whose sum is σ = 231672. Its totient is φ = 62880.

The previous prime is 129061. The next prime is 129083. The reversal of 129068 is 860921.

It is not an unprimeable number, because it can be changed into a prime (129061) by changing a digit.

129068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 557.

It is an arithmetic number, because the mean of its divisors is an integer number (19306).

2¹²⁹⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

129068 is a deficient number, since it is larger than the sum of its proper divisors (102604).

129068 is a wasteful number, since it uses less digits than its factorization.

129068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 129068 is about 359.2603512775. The cubic root of 129068 is about 50.5366201724.

Adding to 129068 its reverse (860921), we get a palindrome (989989).

The spelling of 129068 in words is "one hundred twenty-nine thousand, sixty-eight".