129979114 has 16 divisors (see below), whose sum is σ = 205459200. Its totient is φ = 61500384.

The previous prime is 129979081. The next prime is 129979123. The reversal of 129979114 is 411979921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53494 + ... + 55870.

It is an arithmetic number, because the mean of its divisors is an integer number (12841200).

Almost surely, 2^129979114 is an apocalyptic number.

129979114 is a deficient number, since it is larger than the sum of its proper divisors (75480086).

129979114 is a wasteful number, since it uses less digits than its factorization.

129979114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its digits is 40824, while the sum is 43.

The square root of 129979114 is about 11400.8383025109. The cubic root of 129979114 is about 506.5525711657.

The spelling of 129979114 in words is "one hundred twenty-nine million, nine hundred seventy-nine thousand, one hundred fourteen".