116122009 has 4 divisors (see below), whose sum is σ = 121170816. Its totient is φ = 111073204.

The previous prime is 116121997. The next prime is 116122031. The reversal of 116122009 is 900221611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116122009 - 2⁹ = 116121497 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524369 + ... + 2524414.

It is an arithmetic number, because the mean of its divisors is an integer number (30292704).

Almost surely, 2^116122009 is an apocalyptic number.

It is an amenable number.

116122009 is a deficient number, since it is larger than the sum of its proper divisors (5048807).

116122009 is an equidigital number, since it uses as much as digits as its factorization.

116122009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048806.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 116122009 is about 10775.9922512964. The cubic root of 116122009 is about 487.8708240578.

The spelling of 116122009 in words is "one hundred sixteen million, one hundred twenty-two thousand, nine".