1000118986 has 16 divisors (see below), whose sum is σ = 1556231040. Its totient is φ = 481684320.

The previous prime is 1000118981. The next prime is 1000118989. The reversal of 1000118986 is 6898110001.

It is not an unprimeable number, because it can be changed into a prime (1000118981) 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, 70716 + ... + 83671.

It is an arithmetic number, because the mean of its divisors is an integer number (97264440).

Almost surely, 2^1000118986 is an apocalyptic number.

1000118986 is a deficient number, since it is larger than the sum of its proper divisors (556112054).

1000118986 is a wasteful number, since it uses less digits than its factorization.

1000118986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154509.

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 1000118986 is about 31624.6578795724. The cubic root of 1000118986 is about 1000.0396604270.

Adding to 1000118986 its reverse (6898110001), we get a palindrome (7898228987).

The spelling of 1000118986 in words is "one billion, one hundred eighteen thousand, nine hundred eighty-six".