112066981 has 8 divisors (see below), whose sum is σ = 123631704. Its totient is φ = 100922880.

The previous prime is 112066961. The next prime is 112066993. The reversal of 112066981 is 189660211.

It can be written as a sum of positive squares in 4 ways, for example, as 14945956 + 97121025 = 3866^2 + 9855^2 .

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 112066981 - 2²¹ = 109969829 is a prime.

It is a super-2 number, since 2×112066981² = 25118016460908722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112066961) 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, 104596 + ... + 105661.

It is an arithmetic number, because the mean of its divisors is an integer number (15453963).

Almost surely, 2^112066981 is an apocalyptic number.

It is an amenable number.

112066981 is a deficient number, since it is larger than the sum of its proper divisors (11564723).

112066981 is a wasteful number, since it uses less digits than its factorization.

112066981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210311.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 112066981 is about 10586.1693260594. The cubic root of 112066981 is about 482.1245251970.

The spelling of 112066981 in words is "one hundred twelve million, sixty-six thousand, nine hundred eighty-one".