118099209 has 8 divisors (see below), whose sum is σ = 158282272. Its totient is φ = 78324480.

The previous prime is 118099207. The next prime is 118099237. The reversal of 118099209 is 902990811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118099209 - 2¹ = 118099207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118099207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101407 + ... + 102564.

It is an arithmetic number, because the mean of its divisors is an integer number (19785284).

Almost surely, 2^118099209 is an apocalyptic number.

It is an amenable number.

118099209 is a deficient number, since it is larger than the sum of its proper divisors (40183063).

118099209 is a wasteful number, since it uses less digits than its factorization.

118099209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204167.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 118099209 is about 10867.3459961483. The cubic root of 118099209 is about 490.6242342693.

The spelling of 118099209 in words is "one hundred eighteen million, ninety-nine thousand, two hundred nine".