1135983 has 4 divisors (see below), whose sum is σ = 1514648. Its totient is φ = 757320.

The previous prime is 1135969. The next prime is 1135997. The reversal of 1135983 is 3895311.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1135969) and next prime (1135997).

It is not a de Polignac number, because 1135983 - 2⁵ = 1135951 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1135983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135903) 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, 189328 + ... + 189333.

It is an arithmetic number, because the mean of its divisors is an integer number (378662).

2^1135983 is an apocalyptic number.

1135983 is a deficient number, since it is larger than the sum of its proper divisors (378665).

1135983 is an equidigital number, since it uses as much as digits as its factorization.

1135983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378664.

The product of its digits is 3240, while the sum is 30.

The square root of 1135983 is about 1065.8250325452. The cubic root of 1135983 is about 104.3415484373.

The spelling of 1135983 in words is "one million, one hundred thirty-five thousand, nine hundred eighty-three".