112138284 has 24 divisors (see below), whose sum is σ = 270097408. Its totient is φ = 36173520.

The previous prime is 112138283. The next prime is 112138297. The reversal of 112138284 is 482831211.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (112138283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150352 + ... + 151095.

Almost surely, 2^112138284 is an apocalyptic number.

It is an amenable number.

112138284 is an abundant number, since it is smaller than the sum of its proper divisors (157959124).

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

112138284 is a wasteful number, since it uses less digits than its factorization.

112138284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301485 (or 301483 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 112138284 is about 10589.5365337677. The cubic root of 112138284 is about 482.2267546449.

Adding to 112138284 its reverse (482831211), we get a palindrome (594969495).

The spelling of 112138284 in words is "one hundred twelve million, one hundred thirty-eight thousand, two hundred eighty-four".