112704221 has 4 divisors (see below), whose sum is σ = 128804832. Its totient is φ = 96603612.

The previous prime is 112704199. The next prime is 112704227. The reversal of 112704221 is 122407211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122407211 = 37 ⋅3308303.

It is a de Polignac number, because none of the positive numbers 2^k-112704221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112704193 and 112704202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112704227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050295 + ... + 8050308.

It is an arithmetic number, because the mean of its divisors is an integer number (32201208).

Almost surely, 2^112704221 is an apocalyptic number.

It is an amenable number.

112704221 is a deficient number, since it is larger than the sum of its proper divisors (16100611).

112704221 is an equidigital number, since it uses as much as digits as its factorization.

112704221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100610.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 112704221 is about 10616.2244230235. The cubic root of 112704221 is about 483.0366241820.

The spelling of 112704221 in words is "one hundred twelve million, seven hundred four thousand, two hundred twenty-one".