1011982 has 8 divisors (see below), whose sum is σ = 1546776. Its totient is φ = 496392.

The previous prime is 1011979. The next prime is 1012007. The reversal of 1011982 is 2891101.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4668 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (193347).

2^1011982 is an apocalyptic number.

1011982 is a deficient number, since it is larger than the sum of its proper divisors (534794).

1011982 is an equidigital number, since it uses as much as digits as its factorization.

1011982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9602.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1011982 is about 1005.9731606758. The cubic root of 1011982 is about 100.3978153311.

It can be divided in two parts, 10119 and 82, that added together give a palindrome (10201).

The spelling of 1011982 in words is "one million, eleven thousand, nine hundred eighty-two".