129847113 has 24 divisors (see below), whose sum is σ = 205055136. Its totient is φ = 78523200.

The previous prime is 129847103. The next prime is 129847129. The reversal of 129847113 is 311748921.

It is a happy number.

It is not a de Polignac number, because 129847113 - 2¹⁰ = 129846089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129847103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55381 + ... + 57677.

It is an arithmetic number, because the mean of its divisors is an integer number (8543964).

Almost surely, 2^129847113 is an apocalyptic number.

It is an amenable number.

129847113 is a deficient number, since it is larger than the sum of its proper divisors (75208023).

129847113 is a wasteful number, since it uses less digits than its factorization.

129847113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2882 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 129847113 is about 11395.0477401369. The cubic root of 129847113 is about 506.3810356734.

The spelling of 129847113 in words is "one hundred twenty-nine million, eight hundred forty-seven thousand, one hundred thirteen".