1111859 has 6 divisors (see below), whose sum is σ = 1293444. Its totient is φ = 952980.

The previous prime is 1111853. The next prime is 1111867. The reversal of 1111859 is 9581111.

It is not a de Polignac number, because 1111859 - 2¹² = 1107763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11297 + ... + 11394.

It is an arithmetic number, because the mean of its divisors is an integer number (215574).

2^1111859 is an apocalyptic number.

1111859 is a deficient number, since it is larger than the sum of its proper divisors (181585).

1111859 is an equidigital number, since it uses as much as digits as its factorization.

1111859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705 (or 22698 counting only the distinct ones).

The product of its digits is 360, while the sum is 26.

The square root of 1111859 is about 1054.4472485620. The cubic root of 1111859 is about 103.5976502998.

The spelling of 1111859 in words is "one million, one hundred eleven thousand, eight hundred fifty-nine".