112328021 has 16 divisors (see below), whose sum is σ = 126935424. Its totient is φ = 98624064.

The previous prime is 112328017. The next prime is 112328033. The reversal of 112328021 is 120823211.

It is a cyclic number.

It is not a de Polignac number, because 112328021 - 2² = 112328017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112327984 and 112328002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112327021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57950 + ... + 59856.

It is an arithmetic number, because the mean of its divisors is an integer number (7933464).

Almost surely, 2^112328021 is an apocalyptic number.

It is an amenable number.

112328021 is a deficient number, since it is larger than the sum of its proper divisors (14607403).

112328021 is a wasteful number, since it uses less digits than its factorization.

112328021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 112328021 is about 10598.4914492582. The cubic root of 112328021 is about 482.4985758860.

The spelling of 112328021 in words is "one hundred twelve million, three hundred twenty-eight thousand, twenty-one".