43100129 has 2 divisors, whose sum is σ = 43100130. Its totient is φ = 43100128.

The previous prime is 43100089. The next prime is 43100159. The reversal of 43100129 is 92100134.

43100129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 3157729 = 6320^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 43100129 - 2⁸ = 43099873 is a prime.

It is a super-2 number, since 2×43100129² = 3715242239633282, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43100129.

It is not a weakly prime, because it can be changed into another prime (43100159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21550064 + 21550065.

It is an arithmetic number, because the mean of its divisors is an integer number (21550065).

Almost surely, 2^43100129 is an apocalyptic number.

It is an amenable number.

43100129 is a deficient number, since it is larger than the sum of its proper divisors (1).

43100129 is an equidigital number, since it uses as much as digits as its factorization.

43100129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 43100129 is about 6565.0688496009. The cubic root of 43100129 is about 350.6115268245.

The spelling of 43100129 in words is "forty-three million, one hundred thousand, one hundred twenty-nine".