112431947 has 4 divisors (see below), whose sum is σ = 116058816. Its totient is φ = 108805080.

The previous prime is 112431941. The next prime is 112431989. The reversal of 112431947 is 749134211.

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-112431947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112431941) 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, 1813388 + ... + 1813449.

It is an arithmetic number, because the mean of its divisors is an integer number (29014704).

Almost surely, 2^112431947 is an apocalyptic number.

112431947 is a deficient number, since it is larger than the sum of its proper divisors (3626869).

112431947 is an equidigital number, since it uses as much as digits as its factorization.

112431947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626868.

The product of its digits is 6048, while the sum is 32.

The square root of 112431947 is about 10603.3931833164. The cubic root of 112431947 is about 482.6473327442.

The spelling of 112431947 in words is "one hundred twelve million, four hundred thirty-one thousand, nine hundred forty-seven".