1111140 has 36 divisors (see below), whose sum is σ = 3371004. Its totient is φ = 296256.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111140 is 411111.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 968256 = 378^2 + 984^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1111140³ = 4115547333448632000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2907 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (93639).

2^1111140 is an apocalyptic number.

1111140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111140 is an abundant number, since it is smaller than the sum of its proper divisors (2259864).

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

1111140 is a wasteful number, since it uses less digits than its factorization.

1111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188 (or 6183 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1111140 is about 1054.1062565036. The cubic root of 1111140 is about 103.5753145023.

Adding to 1111140 its reverse (411111), we get a palindrome (1522251).

The spelling of 1111140 in words is "one million, one hundred eleven thousand, one hundred forty".