112721273 has 8 divisors (see below), whose sum is σ = 129003648. Its totient is φ = 96483744.

The previous prime is 112721267. The next prime is 112721293. The reversal of 112721273 is 372127211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-112721273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112721293) 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, 5636 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (16125456).

Almost surely, 2^112721273 is an apocalyptic number.

It is an amenable number.

112721273 is a deficient number, since it is larger than the sum of its proper divisors (16282375).

112721273 is an equidigital number, since it uses as much as digits as its factorization.

112721273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423.

The product of its digits is 1176, while the sum is 26.

The square root of 112721273 is about 10617.0275030255. The cubic root of 112721273 is about 483.0609838882.

Adding to 112721273 its reverse (372127211), we get a palindrome (484848484).

The spelling of 112721273 in words is "one hundred twelve million, seven hundred twenty-one thousand, two hundred seventy-three".