129070 has 8 divisors (see below), whose sum is σ = 232344. Its totient is φ = 51624.

The previous prime is 129061. The next prime is 129083. The reversal of 129070 is 70921.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6444 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (29043).

2¹²⁹⁰⁷⁰ is an apocalyptic number.

129070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129070 is a deficient number, since it is larger than the sum of its proper divisors (103274).

129070 is a wasteful number, since it uses less digits than its factorization.

129070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12914.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 129070 is about 359.2631347634. The cubic root of 129070 is about 50.5368812046.

Adding to 129070 its reverse (70921), we get a palindrome (199991).

The spelling of 129070 in words is "one hundred twenty-nine thousand, seventy".