112071643 has 4 divisors (see below), whose sum is σ = 112104160. Its totient is φ = 112039128.

The previous prime is 112071629. The next prime is 112071683. The reversal of 112071643 is 346170211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112071643 - 2⁵ = 112071611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112071623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10380 + ... + 18217.

It is an arithmetic number, because the mean of its divisors is an integer number (28026040).

Almost surely, 2^112071643 is an apocalyptic number.

112071643 is a deficient number, since it is larger than the sum of its proper divisors (32517).

112071643 is an equidigital number, since it uses as much as digits as its factorization.

112071643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32516.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 112071643 is about 10586.3895167333. The cubic root of 112071643 is about 482.1312105839.

The spelling of 112071643 in words is "one hundred twelve million, seventy-one thousand, six hundred forty-three".