129014187 has 8 divisors (see below), whose sum is σ = 172429200. Its totient is φ = 85804320.

The previous prime is 129014159. The next prime is 129014191. The reversal of 129014187 is 781410921.

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

It is not a de Polignac number, because 129014187 - 2⁷ = 129014059 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (129014117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49812 + ... + 52337.

It is an arithmetic number, because the mean of its divisors is an integer number (21553650).

Almost surely, 2^129014187 is an apocalyptic number.

129014187 is a deficient number, since it is larger than the sum of its proper divisors (43415013).

129014187 is a wasteful number, since it uses less digits than its factorization.

129014187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102573.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 129014187 is about 11358.4412222805. The cubic root of 129014187 is about 505.2959569643.

The spelling of 129014187 in words is "one hundred twenty-nine million, fourteen thousand, one hundred eighty-seven".