1166743 has 4 divisors (see below), whose sum is σ = 1183248. Its totient is φ = 1150240.

The previous prime is 1166741. The next prime is 1166773. The reversal of 1166743 is 3476611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3476611 = 23 ⋅151157.

It is a cyclic number.

It is not a de Polignac number, because 1166743 - 2¹ = 1166741 is a prime.

It is a super-2 number, since 2×1166743² = 2722578456098, which contains 22 as substring.

It is a Duffinian number.

1166743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166741) 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, 8146 + ... + 8287.

It is an arithmetic number, because the mean of its divisors is an integer number (295812).

2^1166743 is an apocalyptic number.

1166743 is a deficient number, since it is larger than the sum of its proper divisors (16505).

1166743 is an equidigital number, since it uses as much as digits as its factorization.

1166743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16504.

The product of its digits is 3024, while the sum is 28.

The square root of 1166743 is about 1080.1587846238. The cubic root of 1166743 is about 105.2749558575.

It can be divided in two parts, 116 and 6743, that added together give a cube (6859 = 19³).

The spelling of 1166743 in words is "one million, one hundred sixty-six thousand, seven hundred forty-three".