112051721 has 8 divisors (see below), whose sum is σ = 118066080. Its totient is φ = 106049088.

The previous prime is 112051691. The next prime is 112051757. The reversal of 112051721 is 127150211.

It is a happy number.

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 112051721 - 2¹⁴ = 112035337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112051693 and 112051702.

It is not an unprimeable number, because it can be changed into a prime (112051021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22370 + ... + 26916.

It is an arithmetic number, because the mean of its divisors is an integer number (14758260).

Almost surely, 2^112051721 is an apocalyptic number.

It is an amenable number.

112051721 is a deficient number, since it is larger than the sum of its proper divisors (6014359).

112051721 is a wasteful number, since it uses less digits than its factorization.

112051721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 112051721 is about 10585.4485497781. The cubic root of 112051721 is about 482.1026408021.

The spelling of 112051721 in words is "one hundred twelve million, fifty-one thousand, seven hundred twenty-one".