2107243 has 2 divisors, whose sum is σ = 2107244. Its totient is φ = 2107242.

The previous prime is 2107223. The next prime is 2107247. The reversal of 2107243 is 3427012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2107243 - 2²¹ = 10091 is a prime.

It is a super-2 number, since 2×2107243² = 8880946122098, which contains 22 as substring.

It is equal to p₁₅₆₃₂₂ and since 2107243 and 156322 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2107243.

It is not a weakly prime, because it can be changed into another prime (2107247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053621 + 1053622.

It is an arithmetic number, because the mean of its divisors is an integer number (1053622).

2^2107243 is an apocalyptic number.

2107243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107243 is an equidigital number, since it uses as much as digits as its factorization.

2107243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2107243 is about 1451.6345958953. The cubic root of 2107243 is about 128.2049735099.

It can be divided in two parts, 21072 and 43, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2107243 in words is "two million, one hundred seven thousand, two hundred forty-three".