1158043 has 4 divisors (see below), whose sum is σ = 1160488. Its totient is φ = 1155600.

The previous prime is 1158037. The next prime is 1158071. The reversal of 1158043 is 3408511.

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 1158043 - 2⁵ = 1158011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158643) 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, 258 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (290122).

2^1158043 is an apocalyptic number.

1158043 is a deficient number, since it is larger than the sum of its proper divisors (2445).

1158043 is an equidigital number, since it uses as much as digits as its factorization.

1158043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1158043 is about 1076.1240634797. The cubic root of 1158043 is about 105.0126364233.

The spelling of 1158043 in words is "one million, one hundred fifty-eight thousand, forty-three".