1151443 has 2 divisors, whose sum is σ = 1151444. Its totient is φ = 1151442.

The previous prime is 1151441. The next prime is 1151471. The reversal of 1151443 is 3441511.

It is a weak prime.

It is an emirp because it is prime and its reverse (3441511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151443 - 2¹ = 1151441 is a prime.

Together with 1151441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1151443.

It is not a weakly prime, because it can be changed into another prime (1151441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575721 + 575722.

It is an arithmetic number, because the mean of its divisors is an integer number (575722).

2^1151443 is an apocalyptic number.

1151443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151443 is an equidigital number, since it uses as much as digits as its factorization.

1151443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 1151443 is about 1073.0531207727. The cubic root of 1151443 is about 104.8127577558.

Adding to 1151443 its reverse (3441511), we get a palindrome (4592954).

The spelling of 1151443 in words is "one million, one hundred fifty-one thousand, four hundred forty-three".