1081343 has 4 divisors (see below), whose sum is σ = 1085448. Its totient is φ = 1077240.

The previous prime is 1081337. The next prime is 1081351. The reversal of 1081343 is 3431801.

It is a happy number.

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 1081343 - 2⁶ = 1081279 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 (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, 1628 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (271362).

2^1081343 is an apocalyptic number.

1081343 is a deficient number, since it is larger than the sum of its proper divisors (4105).

1081343 is an equidigital number, since it uses as much as digits as its factorization.

1081343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1081343 is about 1039.8764349672. The cubic root of 1081343 is about 102.6410669199.

The spelling of 1081343 in words is "one million, eighty-one thousand, three hundred forty-three".