112436209 has 2 divisors, whose sum is σ = 112436210. Its totient is φ = 112436208.

The previous prime is 112436189. The next prime is 112436221. The reversal of 112436209 is 902634211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58369600 + 54066609 = 7640^2 + 7353^2 .

It is an emirp because it is prime and its reverse (902634211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112436209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112436299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56218104 + 56218105.

It is an arithmetic number, because the mean of its divisors is an integer number (56218105).

Almost surely, 2^112436209 is an apocalyptic number.

It is an amenable number.

112436209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112436209 is an equidigital number, since it uses as much as digits as its factorization.

112436209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 112436209 is about 10603.5941548137. The cubic root of 112436209 is about 482.6534312983.

The spelling of 112436209 in words is "one hundred twelve million, four hundred thirty-six thousand, two hundred nine".