4126429 has 2 divisors, whose sum is σ = 4126430. Its totient is φ = 4126428.

The previous prime is 4126417. The next prime is 4126433. The reversal of 4126429 is 9246214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 1243225 = 1698^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 4126429 - 2⁷ = 4126301 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4126397 and 4126406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4120429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063214 + 2063215.

It is an arithmetic number, because the mean of its divisors is an integer number (2063215).

Almost surely, 2^4126429 is an apocalyptic number.

It is an amenable number.

4126429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4126429 is an equidigital number, since it uses as much as digits as its factorization.

4126429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 4126429 is about 2031.3613661779. The cubic root of 4126429 is about 160.3952338225.

The spelling of 4126429 in words is "four million, one hundred twenty-six thousand, four hundred twenty-nine".