1082118989 has 24 divisors (see below), whose sum is σ = 1330243200. Its totient is φ = 875266560.

The previous prime is 1082118911. The next prime is 1082119007. The reversal of 1082118989 is 9898112801.

It is not a de Polignac number, because 1082118989 - 2²⁰ = 1081070413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082118689) 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 23 ways as a sum of consecutive naturals, for example, 250157 + ... + 254445.

It is an arithmetic number, because the mean of its divisors is an integer number (55426800).

Almost surely, 2^1082118989 is an apocalyptic number.

1082118989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1082118989 is a deficient number, since it is larger than the sum of its proper divisors (248124211).

1082118989 is a wasteful number, since it uses less digits than its factorization.

1082118989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 47.

The square root of 1082118989 is about 32895.5770431224. The cubic root of 1082118989 is about 1026.6561333860.

The spelling of 1082118989 in words is "one billion, eighty-two million, one hundred eighteen thousand, nine hundred eighty-nine".