129047674 has 12 divisors (see below), whose sum is σ = 225175194. Its totient is φ = 55306104.

The previous prime is 129047669. The next prime is 129047689. The reversal of 129047674 is 476740921.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 44315649 = 9205^2 + 6657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658309 + ... + 658504.

Almost surely, 2^129047674 is an apocalyptic number.

129047674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129047674 is a deficient number, since it is larger than the sum of its proper divisors (96127520).

129047674 is a wasteful number, since it uses less digits than its factorization.

129047674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316829 (or 1316822 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 129047674 is about 11359.9152285569. The cubic root of 129047674 is about 505.3396714898.

The spelling of 129047674 in words is "one hundred twenty-nine million, forty-seven thousand, six hundred seventy-four".