116471209 has 2 divisors, whose sum is σ = 116471210. Its totient is φ = 116471208.

The previous prime is 116471207. The next prime is 116471231. The reversal of 116471209 is 902174611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67190809 + 49280400 = 8197^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 116471209 - 2¹ = 116471207 is a prime.

Together with 116471207, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116471207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58235604 + 58235605.

It is an arithmetic number, because the mean of its divisors is an integer number (58235605).

Almost surely, 2^116471209 is an apocalyptic number.

It is an amenable number.

116471209 is a deficient number, since it is larger than the sum of its proper divisors (1).

116471209 is an equidigital number, since it uses as much as digits as its factorization.

116471209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 116471209 is about 10792.1827727295. The cubic root of 116471209 is about 488.3593734310.

The spelling of 116471209 in words is "one hundred sixteen million, four hundred seventy-one thousand, two hundred nine".