112077721 has 8 divisors (see below), whose sum is σ = 132505920. Its totient is φ = 92753808.

The previous prime is 112077701. The next prime is 112077731. The reversal of 112077721 is 127770211.

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

It is not a de Polignac number, because 112077721 - 2¹⁹ = 111553433 is a prime.

It is a super-2 number, since 2×112077721² = 25122831089107682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112077721.

It is not an unprimeable number, because it can be changed into a prime (112077701) 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, 275851 + ... + 276256.

It is an arithmetic number, because the mean of its divisors is an integer number (16563240).

Almost surely, 2^112077721 is an apocalyptic number.

It is an amenable number.

112077721 is a deficient number, since it is larger than the sum of its proper divisors (20428199).

112077721 is an equidigital number, since it uses as much as digits as its factorization.

112077721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552143.

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

The square root of 112077721 is about 10586.6765795504. The cubic root of 112077721 is about 482.1399262603.

The spelling of 112077721 in words is "one hundred twelve million, seventy-seven thousand, seven hundred twenty-one".