126464017 has 2 divisors, whose sum is σ = 126464018. Its totient is φ = 126464016.

The previous prime is 126463991. The next prime is 126464021. The reversal of 126464017 is 710464621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126427536 + 36481 = 11244^2 + 191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126464017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126464017.

It is not a weakly prime, because it can be changed into another prime (126464087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63232008 + 63232009.

It is an arithmetic number, because the mean of its divisors is an integer number (63232009).

Almost surely, 2^126464017 is an apocalyptic number.

It is an amenable number.

126464017 is a deficient number, since it is larger than the sum of its proper divisors (1).

126464017 is an equidigital number, since it uses as much as digits as its factorization.

126464017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 126464017 is about 11245.6221259653. The cubic root of 126464017 is about 501.9444510843.

The spelling of 126464017 in words is "one hundred twenty-six million, four hundred sixty-four thousand, seventeen".