42711112 has 16 divisors (see below), whose sum is σ = 80217900. Its totient is φ = 21319680.

The previous prime is 42711077. The next prime is 42711121. The reversal of 42711112 is 21111724.

It can be written as a sum of positive squares in 2 ways, for example, as 42693156 + 17956 = 6534^2 + 134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42711112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964 + ... + 9292.

Almost surely, 2^42711112 is an apocalyptic number.

It is an amenable number.

42711112 is a deficient number, since it is larger than the sum of its proper divisors (37506788).

42711112 is a wasteful number, since it uses less digits than its factorization.

42711112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976 (or 8972 counting only the distinct ones).

The product of its digits is 112, while the sum is 19.

The square root of 42711112 is about 6535.3738990206. The cubic root of 42711112 is about 349.5534768352.

Adding to 42711112 its reverse (21111724), we get a palindrome (63822836).

The spelling of 42711112 in words is "forty-two million, seven hundred eleven thousand, one hundred twelve".