1382111 has 4 divisors (see below), whose sum is σ = 1429800. Its totient is φ = 1334424.

The previous prime is 1382107. The next prime is 1382113. The reversal of 1382111 is 1112831.

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

It is a cyclic number.

It is not a de Polignac number, because 1382111 - 2² = 1382107 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1382111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382113) by changing a digit.

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, 23801 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (357450).

2^1382111 is an apocalyptic number.

1382111 is a deficient number, since it is larger than the sum of its proper divisors (47689).

1382111 is an equidigital number, since it uses as much as digits as its factorization.

1382111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47688.

The product of its digits is 48, while the sum is 17.

The square root of 1382111 is about 1175.6321703662. The cubic root of 1382111 is about 111.3903686232.

Adding to 1382111 its reverse (1112831), we get a palindrome (2494942).

The spelling of 1382111 in words is "one million, three hundred eighty-two thousand, one hundred eleven".