112643871 has 16 divisors (see below), whose sum is σ = 151757664. Its totient is φ = 74317824.

The previous prime is 112643849. The next prime is 112643911. The reversal of 112643871 is 178346211.

It is a de Polignac number, because none of the positive numbers 2^k-112643871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112643821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148425 + ... + 149181.

It is an arithmetic number, because the mean of its divisors is an integer number (9484854).

Almost surely, 2^112643871 is an apocalyptic number.

112643871 is a deficient number, since it is larger than the sum of its proper divisors (39113793).

112643871 is a wasteful number, since it uses less digits than its factorization.

112643871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its digits is 8064, while the sum is 33.

The square root of 112643871 is about 10613.3816948228. The cubic root of 112643871 is about 482.9503911944.

The spelling of 112643871 in words is "one hundred twelve million, six hundred forty-three thousand, eight hundred seventy-one".