1111112 has 8 divisors (see below), whose sum is σ = 2083350. Its totient is φ = 555552.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111112 is 2111111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 196 = 1054^2 + 14^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a Harshad number since it is a multiple of its sum of digits (8), and also a Moran number because the ratio is a prime number: 138889 = 1111112 / (1 + 1 + 1 + 1 + 1 + 1 + 2).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1111112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69437 + ... + 69452.

2^1111112 is an apocalyptic number.

It is an amenable number.

1111112 is a deficient number, since it is larger than the sum of its proper divisors (972238).

1111112 is a wasteful number, since it uses less digits than its factorization.

1111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138895 (or 138891 counting only the distinct ones).

The product of its digits is 2, while the sum is 8.

The square root of 1111112 is about 1054.0929750264. The cubic root of 1111112 is about 103.5744444850.

Adding to 1111112 its reverse (2111111), we get a palindrome (3222223).

Subtracting 1111112 from its reverse (2111111), we obtain a palindrome (999999).

It can be divided in two parts, 111111 and 2, that multiplied together give a palindrome (222222).

The spelling of 1111112 in words is "one million, one hundred eleven thousand, one hundred twelve".