1105443 has 6 divisors (see below), whose sum is σ = 1596764. Its totient is φ = 736956.

The previous prime is 1105441. The next prime is 1105457. The reversal of 1105443 is 3445011.

It is a happy number.

It is not a de Polignac number, because 1105443 - 2¹ = 1105441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61405 + ... + 61422.

2^1105443 is an apocalyptic number.

1105443 is a deficient number, since it is larger than the sum of its proper divisors (491321).

1105443 is a wasteful number, since it uses less digits than its factorization.

1105443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122833 (or 122830 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1105443 is about 1051.4004945785. The cubic root of 1105443 is about 103.3979951399.

The spelling of 1105443 in words is "one million, one hundred five thousand, four hundred forty-three".