4075129 has 2 divisors, whose sum is σ = 4075130. Its totient is φ = 4075128.

The previous prime is 4075111. The next prime is 4075133. The reversal of 4075129 is 9215704.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 559504 = 1875^2 + 748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4075129 is a prime.

It is a Chen prime.

4075129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4075097 and 4075106.

It is not a weakly prime, because it can be changed into another prime (4075199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037564 + 2037565.

It is an arithmetic number, because the mean of its divisors is an integer number (2037565).

Almost surely, 2^4075129 is an apocalyptic number.

It is an amenable number.

4075129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4075129 is an equidigital number, since it uses as much as digits as its factorization.

4075129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4075129 is about 2018.6948754084. The cubic root of 4075129 is about 159.7277792995.

The spelling of 4075129 in words is "four million, seventy-five thousand, one hundred twenty-nine".