1111923 has 6 divisors (see below), whose sum is σ = 1606124. Its totient is φ = 741276.

The previous prime is 1111921. The next prime is 1111933. The reversal of 1111923 is 3291111.

It is not a de Polignac number, because 1111923 - 2¹ = 1111921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111896 and 1111905.

It is not an unprimeable number, because it can be changed into a prime (1111921) 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, 61765 + ... + 61782.

2^1111923 is an apocalyptic number.

1111923 is a deficient number, since it is larger than the sum of its proper divisors (494201).

1111923 is a wasteful number, since it uses less digits than its factorization.

1111923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123553 (or 123550 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 1111923 is about 1054.4775957791. The cubic root of 1111923 is about 103.5996379986.

The spelling of 1111923 in words is "one million, one hundred eleven thousand, nine hundred twenty-three".