126017417 has 2 divisors, whose sum is σ = 126017418. Its totient is φ = 126017416.

The previous prime is 126017389. The next prime is 126017459. The reversal of 126017417 is 714710621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104264521 + 21752896 = 10211^2 + 4664^2 .

It is an emirp because it is prime and its reverse (714710621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126017417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126017417.

It is not a weakly prime, because it can be changed into another prime (126017467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63008708 + 63008709.

It is an arithmetic number, because the mean of its divisors is an integer number (63008709).

Almost surely, 2^126017417 is an apocalyptic number.

It is an amenable number.

126017417 is a deficient number, since it is larger than the sum of its proper divisors (1).

126017417 is an equidigital number, since it uses as much as digits as its factorization.

126017417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 126017417 is about 11225.7479483552. The cubic root of 126017417 is about 501.3528920645.

The spelling of 126017417 in words is "one hundred twenty-six million, seventeen thousand, four hundred seventeen".