1109343 has 8 divisors (see below), whose sum is σ = 1507248. Its totient is φ = 725504.

The previous prime is 1109327. The next prime is 1109347. The reversal of 1109343 is 3439011.

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

It is a cyclic number.

It is not a de Polignac number, because 1109343 - 2⁴ = 1109327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (188406).

2^1109343 is an apocalyptic number.

1109343 is a deficient number, since it is larger than the sum of its proper divisors (397905).

1109343 is an equidigital number, since it uses as much as digits as its factorization.

1109343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1109343 is about 1053.2535307323. The cubic root of 1109343 is about 103.5194483745.

It can be divided in two parts, 110 and 9343, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 1109343 in words is "one million, one hundred nine thousand, three hundred forty-three".