112505219 has 2 divisors, whose sum is σ = 112505220. Its totient is φ = 112505218.

The previous prime is 112505171. The next prime is 112505221. The reversal of 112505219 is 912505211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112505219 is a prime.

It is a super-2 number, since 2×112505219² = 25314848604475922, which contains 22 as substring.

Together with 112505221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112505249) 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 as a sum of consecutive naturals, namely, 56252609 + 56252610.

It is an arithmetic number, because the mean of its divisors is an integer number (56252610).

Almost surely, 2^112505219 is an apocalyptic number.

112505219 is a deficient number, since it is larger than the sum of its proper divisors (1).

112505219 is an equidigital number, since it uses as much as digits as its factorization.

112505219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 112505219 is about 10606.8477409643. The cubic root of 112505219 is about 482.7521572083.

The spelling of 112505219 in words is "one hundred twelve million, five hundred five thousand, two hundred nineteen".