112707721 has 8 divisors (see below), whose sum is σ = 129127040. Its totient is φ = 96367968.

The previous prime is 112707719. The next prime is 112707737. The reversal of 112707721 is 127707211.

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

It is a cyclic number.

It is not a de Polignac number, because 112707721 - 2¹ = 112707719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112707721.

It is not an unprimeable number, because it can be changed into a prime (112707761) 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, 16821 + ... + 22546.

It is an arithmetic number, because the mean of its divisors is an integer number (16140880).

Almost surely, 2^112707721 is an apocalyptic number.

It is an amenable number.

112707721 is a deficient number, since it is larger than the sum of its proper divisors (16419319).

112707721 is an equidigital number, since it uses as much as digits as its factorization.

112707721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39783.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 112707721 is about 10616.3892637751. The cubic root of 112707721 is about 483.0416243221.

The spelling of 112707721 in words is "one hundred twelve million, seven hundred seven thousand, seven hundred twenty-one".