116209241 has 2 divisors, whose sum is σ = 116209242. Its totient is φ = 116209240.

The previous prime is 116209217. The next prime is 116209243. The reversal of 116209241 is 142902611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116208400 + 841 = 10780^2 + 29^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116209241 is a prime.

Together with 116209243, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116209241.

It is not a weakly prime, because it can be changed into another prime (116209243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58104620 + 58104621.

It is an arithmetic number, because the mean of its divisors is an integer number (58104621).

Almost surely, 2^116209241 is an apocalyptic number.

It is an amenable number.

116209241 is a deficient number, since it is larger than the sum of its proper divisors (1).

116209241 is an equidigital number, since it uses as much as digits as its factorization.

116209241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 116209241 is about 10780.0390073506. The cubic root of 116209241 is about 487.9929579406.

The spelling of 116209241 in words is "one hundred sixteen million, two hundred nine thousand, two hundred forty-one".