1162789 has 2 divisors, whose sum is σ = 1162790. Its totient is φ = 1162788.

The previous prime is 1162771. The next prime is 1162793. The reversal of 1162789 is 9872611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 245025 = 958^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162789 - 2⁹ = 1162277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162709) 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, 581394 + 581395.

It is an arithmetic number, because the mean of its divisors is an integer number (581395).

2^1162789 is an apocalyptic number.

It is an amenable number.

1162789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162789 is an equidigital number, since it uses as much as digits as its factorization.

1162789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 1162789 is about 1078.3269448549. The cubic root of 1162789 is about 105.1558984233.

The spelling of 1162789 in words is "one million, one hundred sixty-two thousand, seven hundred eighty-nine".