117087129 has 24 divisors (see below), whose sum is σ = 174283200. Its totient is φ = 75692448.

The previous prime is 117087107. The next prime is 117087133. The reversal of 117087129 is 921780711.

It is not a de Polignac number, because 117087129 - 2¹¹ = 117085081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117087093 and 117087102.

It is not an unprimeable number, because it can be changed into a prime (117087149) 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, 195172 + ... + 195770.

It is an arithmetic number, because the mean of its divisors is an integer number (7261800).

Almost surely, 2^117087129 is an apocalyptic number.

It is an amenable number.

117087129 is a deficient number, since it is larger than the sum of its proper divisors (57196071).

117087129 is a wasteful number, since it uses less digits than its factorization.

117087129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 117087129 is about 10820.6806163014. The cubic root of 117087129 is about 489.2187035310.

The spelling of 117087129 in words is "one hundred seventeen million, eighty-seven thousand, one hundred twenty-nine".