1111959 has 6 divisors (see below), whose sum is σ = 1606176. Its totient is φ = 741300.

The previous prime is 1111949. The next prime is 1111963. The reversal of 1111959 is 9591111.

It is not a de Polignac number, because 1111959 - 2⁸ = 1111703 is a prime.

1111959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61767 + ... + 61784.

It is an arithmetic number, because the mean of its divisors is an integer number (267696).

2^1111959 is an apocalyptic number.

1111959 is a deficient number, since it is larger than the sum of its proper divisors (494217).

1111959 is a wasteful number, since it uses less digits than its factorization.

1111959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123557 (or 123554 counting only the distinct ones).

The product of its digits is 405, while the sum is 27.

The square root of 1111959 is about 1054.4946657049. The cubic root of 1111959 is about 103.6007560456.

The spelling of 1111959 in words is "one million, one hundred eleven thousand, nine hundred fifty-nine".