4126009 has 2 divisors, whose sum is σ = 4126010. Its totient is φ = 4126008.

The previous prime is 4125991. The next prime is 4126043. The reversal of 4126009 is 9006214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4112784 + 13225 = 2028^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 4126009 - 2⁹ = 4125497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4126049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063004 + 2063005.

It is an arithmetic number, because the mean of its divisors is an integer number (2063005).

Almost surely, 2^4126009 is an apocalyptic number.

It is an amenable number.

4126009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4126009 is an equidigital number, since it uses as much as digits as its factorization.

4126009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4126009 is about 2031.2579845997. The cubic root of 4126009 is about 160.3897918060.

The spelling of 4126009 in words is "four million, one hundred twenty-six thousand, nine".