112419809 has 2 divisors, whose sum is σ = 112419810. Its totient is φ = 112419808.

The previous prime is 112419779. The next prime is 112419829. The reversal of 112419809 is 908914211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91259809 + 21160000 = 9553^2 + 4600^2 .

It is an emirp because it is prime and its reverse (908914211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112419809 - 2⁸ = 112419553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112419829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56209904 + 56209905.

It is an arithmetic number, because the mean of its divisors is an integer number (56209905).

Almost surely, 2^112419809 is an apocalyptic number.

It is an amenable number.

112419809 is a deficient number, since it is larger than the sum of its proper divisors (1).

112419809 is an equidigital number, since it uses as much as digits as its factorization.

112419809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 112419809 is about 10602.8208039182. The cubic root of 112419809 is about 482.6299634693.

The spelling of 112419809 in words is "one hundred twelve million, four hundred nineteen thousand, eight hundred nine".