129230 has 8 divisors (see below), whose sum is σ = 232632. Its totient is φ = 51688.

The previous prime is 129229. The next prime is 129263. The reversal of 129230 is 32921.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 129199 and 129208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6452 + ... + 6471.

It is an arithmetic number, because the mean of its divisors is an integer number (29079).

2¹²⁹²³⁰ is an apocalyptic number.

129230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129230 is a deficient number, since it is larger than the sum of its proper divisors (103402).

129230 is a wasteful number, since it uses less digits than its factorization.

129230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 129230 is about 359.4857438063. The cubic root of 129230 is about 50.5577550511.

The spelling of 129230 in words is "one hundred twenty-nine thousand, two hundred thirty".