116858129 has 2 divisors, whose sum is σ = 116858130. Its totient is φ = 116858128.

The previous prime is 116858059. The next prime is 116858171. The reversal of 116858129 is 921858611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113379904 + 3478225 = 10648^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 116858129 - 2²⁰ = 115809553 is a prime.

It is not a weakly prime, because it can be changed into another prime (116878129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58429064 + 58429065.

It is an arithmetic number, because the mean of its divisors is an integer number (58429065).

Almost surely, 2^116858129 is an apocalyptic number.

It is an amenable number.

116858129 is a deficient number, since it is larger than the sum of its proper divisors (1).

116858129 is an equidigital number, since it uses as much as digits as its factorization.

116858129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 41.

The square root of 116858129 is about 10810.0938478812. The cubic root of 116858129 is about 488.8995560134.

The spelling of 116858129 in words is "one hundred sixteen million, eight hundred fifty-eight thousand, one hundred twenty-nine".