1112005142 has 8 divisors (see below), whose sum is σ = 1681142016. Its totient is φ = 551624472.

The previous prime is 1112005133. The next prime is 1112005171. The reversal of 1112005142 is 2415002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1112005142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188733 + ... + 2189240.

It is an arithmetic number, because the mean of its divisors is an integer number (210142752).

Almost surely, 2^1112005142 is an apocalyptic number.

1112005142 is a deficient number, since it is larger than the sum of its proper divisors (569136874).

1112005142 is a wasteful number, since it uses less digits than its factorization.

1112005142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378102.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1112005142 is about 33346.7411001435. The cubic root of 1112005142 is about 1036.0218903610.

Adding to 1112005142 its reverse (2415002111), we get a palindrome (3527007253).

The spelling of 1112005142 in words is "one billion, one hundred twelve million, five thousand, one hundred forty-two".