112543001 has 4 divisors (see below), whose sum is σ = 112569600. Its totient is φ = 112516404.

The previous prime is 112542977. The next prime is 112543003. The reversal of 112543001 is 100345211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112543001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112543003) 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, 5381 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (28142400).

Almost surely, 2^112543001 is an apocalyptic number.

It is an amenable number.

112543001 is a deficient number, since it is larger than the sum of its proper divisors (26599).

112543001 is an equidigital number, since it uses as much as digits as its factorization.

112543001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26598.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112543001 is about 10608.6286107112. The cubic root of 112543001 is about 482.8061911479.

Adding to 112543001 its reverse (100345211), we get a palindrome (212888212).

The spelling of 112543001 in words is "one hundred twelve million, five hundred forty-three thousand, one".