1170043 has 4 divisors (see below), whose sum is σ = 1337200. Its totient is φ = 1002888.

The previous prime is 1170031. The next prime is 1170049. The reversal of 1170043 is 3400711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1170043 - 2⁵ = 1170011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1169999 and 1170026.

It is not an unprimeable number, because it can be changed into a prime (1170049) 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, 83568 + ... + 83581.

It is an arithmetic number, because the mean of its divisors is an integer number (334300).

2^1170043 is an apocalyptic number.

1170043 is a deficient number, since it is larger than the sum of its proper divisors (167157).

1170043 is an equidigital number, since it uses as much as digits as its factorization.

1170043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167156.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1170043 is about 1081.6852592136. The cubic root of 1170043 is about 105.3741151793.

Adding to 1170043 its reverse (3400711), we get a palindrome (4570754).

The spelling of 1170043 in words is "one million, one hundred seventy thousand, forty-three".