43124089 has 2 divisors, whose sum is σ = 43124090. Its totient is φ = 43124088.

The previous prime is 43124063. The next prime is 43124099. The reversal of 43124089 is 98042134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 9715689 = 5780^2 + 3117^2 .

It is a cyclic number.

It is not a de Polignac number, because 43124089 - 2⁷ = 43123961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43124089.

It is not a weakly prime, because it can be changed into another prime (43124009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21562044 + 21562045.

It is an arithmetic number, because the mean of its divisors is an integer number (21562045).

Almost surely, 2^43124089 is an apocalyptic number.

It is an amenable number.

43124089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43124089 is an equidigital number, since it uses as much as digits as its factorization.

43124089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 43124089 is about 6566.8934055610. The cubic root of 43124089 is about 350.6764848356.

The spelling of 43124089 in words is "forty-three million, one hundred twenty-four thousand, eighty-nine".