1094543 has 2 divisors, whose sum is σ = 1094544. Its totient is φ = 1094542.

The previous prime is 1094539. The next prime is 1094549. The reversal of 1094543 is 3454901.

It is a weak prime.

It is an emirp because it is prime and its reverse (3454901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1094543 - 2² = 1094539 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1094549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547271 + 547272.

It is an arithmetic number, because the mean of its divisors is an integer number (547272).

2^1094543 is an apocalyptic number.

1094543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094543 is an equidigital number, since it uses as much as digits as its factorization.

1094543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1094543 is about 1046.2040909880. The cubic root of 1094543 is about 103.0570268931.

The spelling of 1094543 in words is "one million, ninety-four thousand, five hundred forty-three".