1164859 has 2 divisors, whose sum is σ = 1164860. Its totient is φ = 1164858.

The previous prime is 1164853. The next prime is 1164869. The reversal of 1164859 is 9584611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1164859 - 2⁷ = 1164731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164853) 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, 582429 + 582430.

It is an arithmetic number, because the mean of its divisors is an integer number (582430).

2^1164859 is an apocalyptic number.

1164859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164859 is an equidigital number, since it uses as much as digits as its factorization.

1164859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 34.

The square root of 1164859 is about 1079.2863382810. The cubic root of 1164859 is about 105.2182610331.

The spelling of 1164859 in words is "one million, one hundred sixty-four thousand, eight hundred fifty-nine".