112005001 has 2 divisors, whose sum is σ = 112005002. Its totient is φ = 112005000.

The previous prime is 112004999. The next prime is 112005011. The reversal of 112005001 is 100500211.

It is a happy number.

It is an a-pointer prime, because the next prime (112005011) can be obtained adding 112005001 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111513600 + 491401 = 10560^2 + 701^2 .

It is a cyclic number.

It is not a de Polignac number, because 112005001 - 2¹ = 112004999 is a prime.

Together with 112004999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112005011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56002500 + 56002501.

It is an arithmetic number, because the mean of its divisors is an integer number (56002501).

Almost surely, 2^112005001 is an apocalyptic number.

It is an amenable number.

112005001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112005001 is an equidigital number, since it uses as much as digits as its factorization.

112005001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 112005001 is about 10583.2415166621. The cubic root of 112005001 is about 482.0356272053.

Adding to 112005001 its reverse (100500211), we get a palindrome (212505212).

The spelling of 112005001 in words is "one hundred twelve million, five thousand, one".