1089743 has 4 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 1054560.

The previous prime is 1089713. The next prime is 1089757. The reversal of 1089743 is 3479801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3479801 = 13 ⋅267677.

It is a cyclic number.

It is not a de Polignac number, because 1089743 - 2⁶ = 1089679 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17546 + ... + 17607.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

2^1089743 is an apocalyptic number.

1089743 is a deficient number, since it is larger than the sum of its proper divisors (35185).

1089743 is an equidigital number, since it uses as much as digits as its factorization.

1089743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35184.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1089743 is about 1043.9075629576. The cubic root of 1089743 is about 102.9061576540.

The spelling of 1089743 in words is "one million, eighty-nine thousand, seven hundred forty-three".