1100343 has 16 divisors (see below), whose sum is σ = 1575936. Its totient is φ = 681120.

The previous prime is 1100321. The next prime is 1100353. The reversal of 1100343 is 3430011.

It is not a de Polignac number, because 1100343 - 2⁵ = 1100311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2338 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2^1100343 is an apocalyptic number.

1100343 is a deficient number, since it is larger than the sum of its proper divisors (475593).

1100343 is a wasteful number, since it uses less digits than its factorization.

1100343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1100343 is about 1048.9723542592. The cubic root of 1100343 is about 103.2387398876.

Adding to 1100343 its reverse (3430011), we get a palindrome (4530354).

The spelling of 1100343 in words is "one million, one hundred thousand, three hundred forty-three".