1081383 has 4 divisors (see below), whose sum is σ = 1441848. Its totient is φ = 720920.

The previous prime is 1081369. The next prime is 1081403. The reversal of 1081383 is 3831801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3831801 = 3 ⋅1277267.

It is a cyclic number.

It is not a de Polignac number, because 1081383 - 2⁵ = 1081351 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 (1081303) 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, 180228 + ... + 180233.

It is an arithmetic number, because the mean of its divisors is an integer number (360462).

2^1081383 is an apocalyptic number.

1081383 is a deficient number, since it is larger than the sum of its proper divisors (360465).

1081383 is an equidigital number, since it uses as much as digits as its factorization.

1081383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360464.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1081383 is about 1039.8956678437. The cubic root of 1081383 is about 102.6423325041.

The spelling of 1081383 in words is "one million, eighty-one thousand, three hundred eighty-three".