1113859 has 2 divisors, whose sum is σ = 1113860. Its totient is φ = 1113858.

The previous prime is 1113809. The next prime is 1113863. The reversal of 1113859 is 9583111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113809) 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, 556929 + 556930.

It is an arithmetic number, because the mean of its divisors is an integer number (556930).

2^1113859 is an apocalyptic number.

1113859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113859 is an equidigital number, since it uses as much as digits as its factorization.

1113859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 28.

The square root of 1113859 is about 1055.3951866481. The cubic root of 1113859 is about 103.6597298713.

The spelling of 1113859 in words is "one million, one hundred thirteen thousand, eight hundred fifty-nine".