118449009 has 24 divisors (see below), whose sum is σ = 195865280. Its totient is φ = 67570848.

The previous prime is 118448971. The next prime is 118449017. The reversal of 118449009 is 900944811.

It is not a de Polignac number, because 118449009 - 2¹¹ = 118446961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118449029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48387 + ... + 50775.

Almost surely, 2^118449009 is an apocalyptic number.

It is an amenable number.

118449009 is a deficient number, since it is larger than the sum of its proper divisors (77416271).

118449009 is a wasteful number, since it uses less digits than its factorization.

118449009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 118449009 is about 10883.4281823330. The cubic root of 118449009 is about 491.1081528186.

The spelling of 118449009 in words is "one hundred eighteen million, four hundred forty-nine thousand, nine".