118854809 has 8 divisors (see below), whose sum is σ = 119903040. Its totient is φ = 117810576.

The previous prime is 118854773. The next prime is 118854817. The reversal of 118854809 is 908458811.

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

It is a cyclic number.

It is not a de Polignac number, because 118854809 - 2⁸ = 118854553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118854809.

It is not an unprimeable number, because it can be changed into a prime (118854889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96572 + ... + 97794.

It is an arithmetic number, because the mean of its divisors is an integer number (14987880).

Almost surely, 2^118854809 is an apocalyptic number.

It is an amenable number.

118854809 is a deficient number, since it is larger than the sum of its proper divisors (1048231).

118854809 is a wasteful number, since it uses less digits than its factorization.

118854809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 118854809 is about 10902.0552649489. The cubic root of 118854809 is about 491.6683503661.

The spelling of 118854809 in words is "one hundred eighteen million, eight hundred fifty-four thousand, eight hundred nine".