1111120 has 80 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 387072.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111120 is 211111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25819 + ... + 25861.

It is an arithmetic number, because the mean of its divisors is an integer number (36828).

2^1111120 is an apocalyptic number.

1111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473120).

1111120 is an abundant number, since it is smaller than the sum of its proper divisors (1835120).

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

1111120 is a wasteful number, since it uses less digits than its factorization.

1111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1111120 is about 1054.0967697512. The cubic root of 1111120 is about 103.5746930628.

Adding to 1111120 its reverse (211111), we get a palindrome (1322231).

Subtracting from 1111120 its reverse (211111), we obtain a palindrome (900009).

The spelling of 1111120 in words is "one million, one hundred eleven thousand, one hundred twenty".