1111982 has 8 divisors (see below), whose sum is σ = 1672536. Its totient is φ = 554472.

The previous prime is 1111967. The next prime is 1111991. The reversal of 1111982 is 2891111.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 773 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (209067).

2^1111982 is an apocalyptic number.

1111982 is a deficient number, since it is larger than the sum of its proper divisors (560554).

1111982 is an equidigital number, since it uses as much as digits as its factorization.

1111982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 144, while the sum is 23.

The square root of 1111982 is about 1054.5055713461. The cubic root of 1111982 is about 103.6014703408.

The spelling of 1111982 in words is "one million, one hundred eleven thousand, nine hundred eighty-two".