112140643 has 2 divisors, whose sum is σ = 112140644. Its totient is φ = 112140642.

The previous prime is 112140607. The next prime is 112140659. The reversal of 112140643 is 346041211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112140643 is a prime.

It is not a weakly prime, because it can be changed into another prime (112140683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56070321 + 56070322.

It is an arithmetic number, because the mean of its divisors is an integer number (56070322).

Almost surely, 2^112140643 is an apocalyptic number.

112140643 is a deficient number, since it is larger than the sum of its proper divisors (1).

112140643 is an equidigital number, since it uses as much as digits as its factorization.

112140643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 112140643 is about 10589.6479167156. The cubic root of 112140643 is about 482.2301360799.

Adding to 112140643 its reverse (346041211), we get a palindrome (458181854).

The spelling of 112140643 in words is "one hundred twelve million, one hundred forty thousand, six hundred forty-three".