1111872 has 28 divisors (see below), whose sum is σ = 2942336. Its totient is φ = 370560.

The previous prime is 1111867. The next prime is 1111897. The reversal of 1111872 is 2781111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704 + ... + 3087.

2^1111872 is an apocalyptic number.

1111872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111872 is an abundant number, since it is smaller than the sum of its proper divisors (1830464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111872 is an equidigital number, since it uses as much as digits as its factorization.

1111872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806 (or 5796 counting only the distinct ones).

The product of its digits is 112, while the sum is 21.

The square root of 1111872 is about 1054.4534129112. The cubic root of 1111872 is about 103.5980540573.

Adding to 1111872 its reverse (2781111), we get a palindrome (3892983).

The spelling of 1111872 in words is "one million, one hundred eleven thousand, eight hundred seventy-two".