112000309 has 2 divisors, whose sum is σ = 112000310. Its totient is φ = 112000308.

The previous prime is 112000297. The next prime is 112000327. The reversal of 112000309 is 903000211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108680625 + 3319684 = 10425^2 + 1822^2 .

It is an emirp because it is prime and its reverse (903000211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112000309 - 2¹⁷ = 111869237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112000292 and 112000301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112000379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000154 + 56000155.

It is an arithmetic number, because the mean of its divisors is an integer number (56000155).

Almost surely, 2^112000309 is an apocalyptic number.

It is an amenable number.

112000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

112000309 is an equidigital number, since it uses as much as digits as its factorization.

112000309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 112000309 is about 10583.0198431261. The cubic root of 112000309 is about 482.0288961287.

The spelling of 112000309 in words is "one hundred twelve million, three hundred nine", and thus it is an aban number.