112000721 has 12 divisors (see below), whose sum is σ = 131076288. Its totient is φ = 95418792.

The previous prime is 112000717. The next prime is 112000727. The reversal of 112000721 is 127000211.

It is not a de Polignac number, because 112000721 - 2² = 112000717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112000696 and 112000705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000727) 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 11 ways as a sum of consecutive naturals, for example, 1340 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (10923024).

Almost surely, 2^112000721 is an apocalyptic number.

It is an amenable number.

112000721 is a deficient number, since it is larger than the sum of its proper divisors (19075567).

112000721 is a wasteful number, since it uses less digits than its factorization.

112000721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13868 (or 13861 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 112000721 is about 10583.0393082517. The cubic root of 112000721 is about 482.0294871855.

Adding to 112000721 its reverse (127000211), we get a palindrome (239000932).

The spelling of 112000721 in words is "one hundred twelve million, seven hundred twenty-one", and thus it is an aban number.