112321128 has 32 divisors (see below), whose sum is σ = 281324160. Its totient is φ = 37370880.

The previous prime is 112321127. The next prime is 112321129. The reversal of 112321128 is 821123211.

It is an interprime number because it is at equal distance from previous prime (112321127) and next prime (112321129).

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 (112321127) 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, 9793 + ... + 17903.

It is an arithmetic number, because the mean of its divisors is an integer number (8791380).

Almost surely, 2^112321128 is an apocalyptic number.

It is an amenable number.

112321128 is an abundant number, since it is smaller than the sum of its proper divisors (169003032).

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

112321128 is a wasteful number, since it uses less digits than its factorization.

112321128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697 (or 8693 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 112321128 is about 10598.1662564804. The cubic root of 112321128 is about 482.4887061886.

Adding to 112321128 its reverse (821123211), we get a palindrome (933444339).

The spelling of 112321128 in words is "one hundred twelve million, three hundred twenty-one thousand, one hundred twenty-eight".