1105849 has 4 divisors (see below), whose sum is σ = 1116900. Its totient is φ = 1094800.

The previous prime is 1105847. The next prime is 1105861. The reversal of 1105849 is 9485011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9485011 = 101 ⋅93911.

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 535824 = 755^2 + 732^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105849 - 2¹ = 1105847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105847) 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 3 ways as a sum of consecutive naturals, for example, 5374 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (279225).

2^1105849 is an apocalyptic number.

It is an amenable number.

1105849 is a deficient number, since it is larger than the sum of its proper divisors (11051).

1105849 is a wasteful number, since it uses less digits than its factorization.

1105849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1105849 is about 1051.5935526619. The cubic root of 1105849 is about 103.4106520409.

The spelling of 1105849 in words is "one million, one hundred five thousand, eight hundred forty-nine".