129611293 has 16 divisors (see below), whose sum is σ = 156240000. Its totient is φ = 105034752.

The previous prime is 129611267. The next prime is 129611311. The reversal of 129611293 is 392116921.

It is a cyclic number.

It is not a de Polignac number, because 129611293 - 2⁹ = 129610781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129611393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123033 + ... + 124081.

It is an arithmetic number, because the mean of its divisors is an integer number (9765000).

Almost surely, 2^129611293 is an apocalyptic number.

It is an amenable number.

129611293 is a deficient number, since it is larger than the sum of its proper divisors (26628707).

129611293 is a wasteful number, since it uses less digits than its factorization.

129611293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its digits is 5832, while the sum is 34.

The square root of 129611293 is about 11384.6955602686. The cubic root of 129611293 is about 506.0742976509.

The spelling of 129611293 in words is "one hundred twenty-nine million, six hundred eleven thousand, two hundred ninety-three".