1071982 has 4 divisors (see below), whose sum is σ = 1607976. Its totient is φ = 535990.

The previous prime is 1071979. The next prime is 1071991. The reversal of 1071982 is 2891701.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1071982² = 2298290816648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1071982.

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 as a sum of consecutive naturals, namely, 267994 + ... + 267997.

It is an arithmetic number, because the mean of its divisors is an integer number (401994).

2^1071982 is an apocalyptic number.

1071982 is a deficient number, since it is larger than the sum of its proper divisors (535994).

1071982 is an equidigital number, since it uses as much as digits as its factorization.

1071982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535993.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1071982 is about 1035.3656358987. The cubic root of 1071982 is about 102.3440261108.

It can be divided in two parts, 10719 and 82, that added together give a palindrome (10801).

The spelling of 1071982 in words is "one million, seventy-one thousand, nine hundred eighty-two".