112007209 has 2 divisors, whose sum is σ = 112007210. Its totient is φ = 112007208.

The previous prime is 112007167. The next prime is 112007213. The reversal of 112007209 is 902700211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66781584 + 45225625 = 8172^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 112007209 - 2¹¹ = 112005161 is a prime.

It is a super-2 number, since 2×112007209² = 25091229735939362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112007209.

It is not a weakly prime, because it can be changed into another prime (112007009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56003604 + 56003605.

It is an arithmetic number, because the mean of its divisors is an integer number (56003605).

Almost surely, 2^112007209 is an apocalyptic number.

It is an amenable number.

112007209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112007209 is an equidigital number, since it uses as much as digits as its factorization.

112007209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 112007209 is about 10583.3458320136. The cubic root of 112007209 is about 482.0387947058.

The spelling of 112007209 in words is "one hundred twelve million, seven thousand, two hundred nine".