129671107 has 4 divisors (see below), whose sum is σ = 129757336. Its totient is φ = 129584880.

The previous prime is 129671089. The next prime is 129671111. The reversal of 129671107 is 701176921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701176921 = 409 ⋅1714369.

It is a cyclic number.

It is not a de Polignac number, because 129671107 - 2¹⁵ = 129638339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129671147) 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, 40818 + ... + 43879.

It is an arithmetic number, because the mean of its divisors is an integer number (32439334).

Almost surely, 2^129671107 is an apocalyptic number.

129671107 is a deficient number, since it is larger than the sum of its proper divisors (86229).

129671107 is an equidigital number, since it uses as much as digits as its factorization.

129671107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86228.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 129671107 is about 11387.3222049787. The cubic root of 129671107 is about 506.1521346769.

The spelling of 129671107 in words is "one hundred twenty-nine million, six hundred seventy-one thousand, one hundred seven".