2112307 has 2 divisors, whose sum is σ = 2112308. Its totient is φ = 2112306.

The previous prime is 2112263. The next prime is 2112323. The reversal of 2112307 is 7032112.

It is a happy number.

It is an a-pointer prime, because the next prime (2112323) can be obtained adding 2112307 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112307 - 2¹¹ = 2110259 is a prime.

It is a super-3 number, since 3×2112307³ = 28274333058643795329, which contains 333 as substring.

2112307 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2112337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056153 + 1056154.

It is an arithmetic number, because the mean of its divisors is an integer number (1056154).

2^2112307 is an apocalyptic number.

2112307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112307 is an equidigital number, since it uses as much as digits as its factorization.

2112307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2112307 is about 1453.3777898399. The cubic root of 2112307 is about 128.3075895214.

Adding to 2112307 its reverse (7032112), we get a palindrome (9144419).

The spelling of 2112307 in words is "two million, one hundred twelve thousand, three hundred seven".