11042140 has 12 divisors (see below), whose sum is σ = 23188536. Its totient is φ = 4416848.

The previous prime is 11042137. The next prime is 11042149. The reversal of 11042140 is 4124011.

It is a self number, because there is not a number n which added to its sum of digits gives 11042140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042149) 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 3 ways as a sum of consecutive naturals, for example, 276034 + ... + 276073.

It is an arithmetic number, because the mean of its divisors is an integer number (1932378).

Almost surely, 2^11042140 is an apocalyptic number.

11042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11042140 is an abundant number, since it is smaller than the sum of its proper divisors (12146396).

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

11042140 is a wasteful number, since it uses less digits than its factorization.

11042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552116 (or 552114 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11042140 is about 3322.9715617200. The cubic root of 11042140 is about 222.6816426914.

Adding to 11042140 its reverse (4124011), we get a palindrome (15166151).

The spelling of 11042140 in words is "eleven million, forty-two thousand, one hundred forty".