112778 has 16 divisors (see below), whose sum is σ = 186624. Its totient is φ = 50880.

The previous prime is 112771. The next prime is 112787. The reversal of 112778 is 877211.

It is an Ulam number.

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (112771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 1107.

It is an arithmetic number, because the mean of its divisors is an integer number (11664).

2¹¹²⁷⁷⁸ is an apocalyptic number.

112778 is a deficient number, since it is larger than the sum of its proper divisors (73846).

112778 is a wasteful number, since it uses less digits than its factorization.

112778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its digits is 784, while the sum is 26.

The square root of 112778 is about 335.8243588544. The cubic root of 112778 is about 48.3142003806.

Adding to 112778 its reverse (877211), we get a palindrome (989989).

The spelling of 112778 in words is "one hundred twelve thousand, seven hundred seventy-eight".