112821168 has 20 divisors (see below), whose sum is σ = 291454808. Its totient is φ = 37607040.

The previous prime is 112821167. The next prime is 112821173. The reversal of 112821168 is 861128211.

It is a happy number.

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 a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (112821167) 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 3 ways as a sum of consecutive naturals, for example, 1175173 + ... + 1175268.

Almost surely, 2^112821168 is an apocalyptic number.

It is an amenable number.

112821168 is an abundant number, since it is smaller than the sum of its proper divisors (178633640).

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

112821168 is a wasteful number, since it uses less digits than its factorization.

112821168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350452 (or 2350446 counting only the distinct ones).

The product of its digits is 1536, while the sum is 30.

The square root of 112821168 is about 10621.7309323857. The cubic root of 112821168 is about 483.2036399811.

Adding to 112821168 its reverse (861128211), we get a palindrome (973949379).

The spelling of 112821168 in words is "one hundred twelve million, eight hundred twenty-one thousand, one hundred sixty-eight".