116122109 has 4 divisors (see below), whose sum is σ = 116574204. Its totient is φ = 115670016.

The previous prime is 116122093. The next prime is 116122141. The reversal of 116122109 is 901221611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901221611 = 271 ⋅3325541.

It can be written as a sum of positive squares in 2 ways, for example, as 111619225 + 4502884 = 10565^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 116122109 - 2⁴ = 116122093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116122309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225662 + ... + 226175.

It is an arithmetic number, because the mean of its divisors is an integer number (29143551).

Almost surely, 2^116122109 is an apocalyptic number.

It is an amenable number.

116122109 is a deficient number, since it is larger than the sum of its proper divisors (452095).

116122109 is an equidigital number, since it uses as much as digits as its factorization.

116122109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452094.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 116122109 is about 10775.9968912393. The cubic root of 116122109 is about 487.8709641032.

The spelling of 116122109 in words is "one hundred sixteen million, one hundred twenty-two thousand, one hundred nine".