1168789 has 2 divisors, whose sum is σ = 1168790. Its totient is φ = 1168788.

The previous prime is 1168771. The next prime is 1168799. The reversal of 1168789 is 9878611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 202500 = 983^2 + 450^2 .

It is an emirp because it is prime and its reverse (9878611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1168789 - 2⁵ = 1168757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168799) 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, 584394 + 584395.

It is an arithmetic number, because the mean of its divisors is an integer number (584395).

2^1168789 is an apocalyptic number.

It is an amenable number.

1168789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168789 is an equidigital number, since it uses as much as digits as its factorization.

1168789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 40.

The square root of 1168789 is about 1081.1054527658. The cubic root of 1168789 is about 105.3364566273.

The spelling of 1168789 in words is "one million, one hundred sixty-eight thousand, seven hundred eighty-nine".