116122309 has 2 divisors, whose sum is σ = 116122310. Its totient is φ = 116122308.

The previous prime is 116122297. The next prime is 116122313. The reversal of 116122309 is 903221611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111724900 + 4397409 = 10570^2 + 2097^2 .

It is a cyclic number.

It is not a de Polignac number, because 116122309 - 2⁵ = 116122277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116122339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58061154 + 58061155.

It is an arithmetic number, because the mean of its divisors is an integer number (58061155).

Almost surely, 2^116122309 is an apocalyptic number.

It is an amenable number.

116122309 is a deficient number, since it is larger than the sum of its proper divisors (1).

116122309 is an equidigital number, since it uses as much as digits as its factorization.

116122309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 116122309 is about 10776.0061711192. The cubic root of 116122309 is about 487.8712441938.

The spelling of 116122309 in words is "one hundred sixteen million, one hundred twenty-two thousand, three hundred nine".