1142031112 has 16 divisors (see below), whose sum is σ = 2149042860. Its totient is φ = 568953024.

The previous prime is 1142031073. The next prime is 1142031131. The reversal of 1142031112 is 2111302411.

It can be written as a sum of positive squares in 2 ways, for example, as 1049371236 + 92659876 = 32394^2 + 9626^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255463 + ... + 259894.

Almost surely, 2^1142031112 is an apocalyptic number.

It is an amenable number.

1142031112 is a deficient number, since it is larger than the sum of its proper divisors (1007011748).

1142031112 is a wasteful number, since it uses less digits than its factorization.

1142031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515640 (or 515636 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1142031112 is about 33793.9508196363. The cubic root of 1142031112 is about 1045.2639648185.

Adding to 1142031112 its reverse (2111302411), we get a palindrome (3253333523).

The spelling of 1142031112 in words is "one billion, one hundred forty-two million, thirty-one thousand, one hundred twelve".