118611867 has 8 divisors (see below), whose sum is σ = 172526400. Its totient is φ = 71885960.

The previous prime is 118611863. The next prime is 118611869. The reversal of 118611867 is 768116811.

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 118611867 - 2² = 118611863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118611863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797117 + ... + 1797182.

It is an arithmetic number, because the mean of its divisors is an integer number (21565800).

Almost surely, 2^118611867 is an apocalyptic number.

118611867 is a deficient number, since it is larger than the sum of its proper divisors (53914533).

118611867 is a wasteful number, since it uses less digits than its factorization.

118611867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594313.

The product of its digits is 16128, while the sum is 39.

The square root of 118611867 is about 10890.9075379419. The cubic root of 118611867 is about 491.3331280053. Note that the first 3 decimals are identical.

The spelling of 118611867 in words is "one hundred eighteen million, six hundred eleven thousand, eight hundred sixty-seven".