112111747 has 4 divisors (see below), whose sum is σ = 122303736. Its totient is φ = 101919760.

The previous prime is 112111733. The next prime is 112111757. The reversal of 112111747 is 747111211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112111747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111757) 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 3 ways as a sum of consecutive naturals, for example, 5095978 + ... + 5095999.

It is an arithmetic number, because the mean of its divisors is an integer number (30575934).

Almost surely, 2^112111747 is an apocalyptic number.

112111747 is a deficient number, since it is larger than the sum of its proper divisors (10191989).

112111747 is a wasteful number, since it uses less digits than its factorization.

112111747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191988.

The product of its digits is 392, while the sum is 25.

The square root of 112111747 is about 10588.2834775047. The cubic root of 112111747 is about 482.1887127426.

Adding to 112111747 its reverse (747111211), we get a palindrome (859222958).

The spelling of 112111747 in words is "one hundred twelve million, one hundred eleven thousand, seven hundred forty-seven".