4043129 has 2 divisors, whose sum is σ = 4043130. Its totient is φ = 4043128.

The previous prime is 4043119. The next prime is 4043159. The reversal of 4043129 is 9213404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 23104 = 2005^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043129 - 2⁸ = 4042873 is a prime.

It is a super-2 number, since 2×4043129² = 32693784221282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4043119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021564 + 2021565.

It is an arithmetic number, because the mean of its divisors is an integer number (2021565).

Almost surely, 2^4043129 is an apocalyptic number.

It is an amenable number.

4043129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043129 is an equidigital number, since it uses as much as digits as its factorization.

4043129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4043129 is about 2010.7533414121. The cubic root of 4043129 is about 159.3085920435.

The spelling of 4043129 in words is "four million, forty-three thousand, one hundred twenty-nine".