1101983 has 4 divisors (see below), whose sum is σ = 1109160. Its totient is φ = 1094808.

The previous prime is 1101967. The next prime is 1102001. The reversal of 1101983 is 3891011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3891011 = 17 ⋅228883.

It is a cyclic number.

It is not a de Polignac number, because 1101983 - 2⁴ = 1101967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101283) 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, 3353 + ... + 3666.

It is an arithmetic number, because the mean of its divisors is an integer number (277290).

2^1101983 is an apocalyptic number.

1101983 is a deficient number, since it is larger than the sum of its proper divisors (7177).

1101983 is an equidigital number, since it uses as much as digits as its factorization.

1101983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1101983 is about 1049.7537806553. The cubic root of 1101983 is about 103.2900049587.

Adding to 1101983 its reverse (3891011), we get a palindrome (4992994).

It can be divided in two parts, 110 and 1983, that multiplied together give a triangular number (218130 = T₆₆₀).

The spelling of 1101983 in words is "one million, one hundred one thousand, nine hundred eighty-three".