1161443 has 2 divisors, whose sum is σ = 1161444. Its totient is φ = 1161442.

The previous prime is 1161439. The next prime is 1161449. The reversal of 1161443 is 3441611.

It is a weak prime.

It is an emirp because it is prime and its reverse (3441611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161443 - 2² = 1161439 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580721 + 580722.

It is an arithmetic number, because the mean of its divisors is an integer number (580722).

2^1161443 is an apocalyptic number.

1161443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161443 is an equidigital number, since it uses as much as digits as its factorization.

1161443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 1161443 is about 1077.7026491570. The cubic root of 1161443 is about 105.1153079441.

The spelling of 1161443 in words is "one million, one hundred sixty-one thousand, four hundred forty-three".