1111123442 has 16 divisors (see below), whose sum is σ = 1958064192. Its totient is φ = 466205520.

The previous prime is 1111123441. The next prime is 1111123469. The reversal of 1111123442 is 2443211111.

It is not an unprimeable number, because it can be changed into a prime (1111123441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942238 + ... + 1942809.

It is an arithmetic number, because the mean of its divisors is an integer number (122379012).

Almost surely, 2^1111123442 is an apocalyptic number.

1111123442 is a deficient number, since it is larger than the sum of its proper divisors (846940750).

1111123442 is a wasteful number, since it uses less digits than its factorization.

1111123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885073.

The product of its digits is 192, while the sum is 20.

The square root of 1111123442 is about 33333.5182961535. The cubic root of 1111123442 is about 1035.7480001310.

Adding to 1111123442 its reverse (2443211111), we get a palindrome (3554334553).

It can be divided in two parts, 11111 and 23442, that multiplied together give a palindrome (260464062).

The spelling of 1111123442 in words is "one billion, one hundred eleven million, one hundred twenty-three thousand, four hundred forty-two".