1112012143 has 12 divisors (see below), whose sum is σ = 1294196400. Its totient is φ = 951452480.

The previous prime is 1112012141. The next prime is 1112012179. The reversal of 1112012143 is 3412102111.

It is not a de Polignac number, because 1112012143 - 2¹ = 1112012141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112012141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268243 + ... + 272356.

It is an arithmetic number, because the mean of its divisors is an integer number (107849700).

Almost surely, 2^1112012143 is an apocalyptic number.

1112012143 is a deficient number, since it is larger than the sum of its proper divisors (182184257).

1112012143 is a wasteful number, since it uses less digits than its factorization.

1112012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540638 (or 540627 counting only the distinct ones).

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

The square root of 1112012143 is about 33346.8460727548. The cubic root of 1112012143 is about 1036.0240645638.

Adding to 1112012143 its reverse (3412102111), we get a palindrome (4524114254).

The spelling of 1112012143 in words is "one billion, one hundred twelve million, twelve thousand, one hundred forty-three".