1103983 has 8 divisors (see below), whose sum is σ = 1145088. Its totient is φ = 1063704.

The previous prime is 1103981. The next prime is 1103987. The reversal of 1103983 is 3893011.

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

It is not a de Polignac number, because 1103983 - 2¹ = 1103981 is a prime.

It is a Duffinian number.

1103983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3760 + ... + 4042.

It is an arithmetic number, because the mean of its divisors is an integer number (143136).

2^1103983 is an apocalyptic number.

1103983 is a deficient number, since it is larger than the sum of its proper divisors (41105).

1103983 is an equidigital number, since it uses as much as digits as its factorization.

1103983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1103983 is about 1050.7059531572. The cubic root of 1103983 is about 103.3524545492.

Adding to 1103983 its reverse (3893011), we get a palindrome (4996994).

The spelling of 1103983 in words is "one million, one hundred three thousand, nine hundred eighty-three".