129673 has 8 divisors (see below), whose sum is σ = 138240. Its totient is φ = 121440.

The previous prime is 129671. The next prime is 129707. The reversal of 129673 is 376921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129673 - 2¹ = 129671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129671) 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, 1413 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹²⁹⁶⁷³ is an apocalyptic number.

It is an amenable number.

129673 is a deficient number, since it is larger than the sum of its proper divisors (8567).

129673 is an equidigital number, since it uses as much as digits as its factorization.

129673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 2268, while the sum is 28.

The square root of 129673 is about 360.1013746155. The cubic root of 129673 is about 50.6154597681.

It can be divided in two parts, 1296 and 73, that added together give a square (1369 = 37²).

The spelling of 129673 in words is "one hundred twenty-nine thousand, six hundred seventy-three".