1112142 has 16 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 354552.

The previous prime is 1112141. The next prime is 1112143. The reversal of 1112142 is 2412111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112141) and next prime (1112143).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112141) 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, 3892 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

2^1112142 is an apocalyptic number.

1112142 is an abundant number, since it is smaller than the sum of its proper divisors (1209138).

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

1112142 is a wasteful number, since it uses less digits than its factorization.

1112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087.

The product of its digits is 16, while the sum is 12.

The square root of 1112142 is about 1054.5814335555. The cubic root of 1112142 is about 103.6064390784.

Adding to 1112142 its reverse (2412111), we get a palindrome (3524253).

The spelling of 1112142 in words is "one million, one hundred twelve thousand, one hundred forty-two".