129343112 has 16 divisors (see below), whose sum is σ = 244371600. Its totient is φ = 64177360.

The previous prime is 129343087. The next prime is 129343117. The reversal of 129343112 is 211343921.

It is not an unprimeable number, because it can be changed into a prime (129343117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60662 + ... + 62757.

It is an arithmetic number, because the mean of its divisors is an integer number (15273225).

Almost surely, 2^129343112 is an apocalyptic number.

It is an amenable number.

129343112 is a deficient number, since it is larger than the sum of its proper divisors (115028488).

129343112 is a wasteful number, since it uses less digits than its factorization.

129343112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123556 (or 123552 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 129343112 is about 11372.9113247224. The cubic root of 129343112 is about 505.7250142349.

The spelling of 129343112 in words is "one hundred twenty-nine million, three hundred forty-three thousand, one hundred twelve".