1159443 has 12 divisors (see below), whose sum is σ = 1711008. Its totient is φ = 756240.

The previous prime is 1159429. The next prime is 1159447. The reversal of 1159443 is 3449511.

It is not a de Polignac number, because 1159443 - 2⁸ = 1159187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1159447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (142584).

2^1159443 is an apocalyptic number.

1159443 is a deficient number, since it is larger than the sum of its proper divisors (551565).

1159443 is a wasteful number, since it uses less digits than its factorization.

1159443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794 (or 2791 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1159443 is about 1076.7743496202. The cubic root of 1159443 is about 105.0549372376.

The spelling of 1159443 in words is "one million, one hundred fifty-nine thousand, four hundred forty-three".