43126427 has 2 divisors, whose sum is σ = 43126428. Its totient is φ = 43126426.

The previous prime is 43126417. The next prime is 43126441. The reversal of 43126427 is 72462134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43126427 - 2²⁰ = 42077851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43126427.

It is not a weakly prime, because it can be changed into another prime (43126417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21563213 + 21563214.

It is an arithmetic number, because the mean of its divisors is an integer number (21563214).

Almost surely, 2^43126427 is an apocalyptic number.

43126427 is a deficient number, since it is larger than the sum of its proper divisors (1).

43126427 is an equidigital number, since it uses as much as digits as its factorization.

43126427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 43126427 is about 6567.0714173062. The cubic root of 43126427 is about 350.6828221042.

The spelling of 43126427 in words is "forty-three million, one hundred twenty-six thousand, four hundred twenty-seven".