1112042 has 4 divisors (see below), whose sum is σ = 1668066. Its totient is φ = 556020.

The previous prime is 1112017. The next prime is 1112047. The reversal of 1112042 is 2402111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2402111 = 683 ⋅3517.

It can be written as a sum of positive squares in only one way, i.e., 863041 + 249001 = 929^2 + 499^2 .

It is not an unprimeable number, because it can be changed into a prime (1112047) 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 as a sum of consecutive naturals, namely, 278009 + ... + 278012.

2^1112042 is an apocalyptic number.

1112042 is a deficient number, since it is larger than the sum of its proper divisors (556024).

1112042 is an equidigital number, since it uses as much as digits as its factorization.

1112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556023.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1112042 is about 1054.5340203142. The cubic root of 1112042 is about 103.6033336733.

Adding to 1112042 its reverse (2402111), we get a palindrome (3514153).

The spelling of 1112042 in words is "one million, one hundred twelve thousand, forty-two".