1111983 has 4 divisors (see below), whose sum is σ = 1482648. Its totient is φ = 741320.

The previous prime is 1111967. The next prime is 1111991. The reversal of 1111983 is 3891111.

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 1111983 - 2⁴ = 1111967 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185328 + ... + 185333.

It is an arithmetic number, because the mean of its divisors is an integer number (370662).

2^1111983 is an apocalyptic number.

1111983 is a deficient number, since it is larger than the sum of its proper divisors (370665).

1111983 is an equidigital number, since it uses as much as digits as its factorization.

1111983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370664.

The product of its digits is 216, while the sum is 24.

The square root of 1111983 is about 1054.5060455019. The cubic root of 1111983 is about 103.6015013969.

The spelling of 1111983 in words is "one million, one hundred eleven thousand, nine hundred eighty-three".