1135859 has 2 divisors, whose sum is σ = 1135860. Its totient is φ = 1135858.

The previous prime is 1135853. The next prime is 1135861. The reversal of 1135859 is 9585311.

It is a strong prime.

It is an emirp because it is prime and its reverse (9585311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1135859 - 2¹² = 1131763 is a prime.

Together with 1135861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1135853) 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, 567929 + 567930.

It is an arithmetic number, because the mean of its divisors is an integer number (567930).

2^1135859 is an apocalyptic number.

1135859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135859 is an equidigital number, since it uses as much as digits as its factorization.

1135859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 1135859 is about 1065.7668600590. The cubic root of 1135859 is about 104.3377517775.

The spelling of 1135859 in words is "one million, one hundred thirty-five thousand, eight hundred fifty-nine".