11240042 has 16 divisors (see below), whose sum is σ = 18987264. Its totient is φ = 4944000.

The previous prime is 11240017. The next prime is 11240051. The reversal of 11240042 is 24004211.

It is a junction number, because it is equal to n+sod(n) for n = 11239999 and 11240026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559 + ... + 8922.

It is an arithmetic number, because the mean of its divisors is an integer number (1186704).

Almost surely, 2^11240042 is an apocalyptic number.

11240042 is a deficient number, since it is larger than the sum of its proper divisors (7747222).

11240042 is a wasteful number, since it uses less digits than its factorization.

11240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11240042 is about 3352.6171866170. The cubic root of 11240042 is about 224.0041054732.

Adding to 11240042 its reverse (24004211), we get a palindrome (35244253).

It can be divided in two parts, 11 and 240042, that multiplied together give a palindrome (2640462).

The spelling of 11240042 in words is "eleven million, two hundred forty thousand, forty-two".