1105743 has 12 divisors (see below), whose sum is σ = 1557528. Its totient is φ = 697680.

The previous prime is 1105711. The next prime is 1105757. The reversal of 1105743 is 3475011.

It is not a de Polignac number, because 1105743 - 2⁵ = 1105711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105343) 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 11 ways as a sum of consecutive naturals, for example, 573 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (129794).

2^1105743 is an apocalyptic number.

1105743 is a deficient number, since it is larger than the sum of its proper divisors (451785).

1105743 is a wasteful number, since it uses less digits than its factorization.

1105743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1105743 is about 1051.5431517537. The cubic root of 1105743 is about 103.4073478286.

The spelling of 1105743 in words is "one million, one hundred five thousand, seven hundred forty-three".