126425317 has 2 divisors, whose sum is σ = 126425318. Its totient is φ = 126425316.

The previous prime is 126425309. The next prime is 126425323. The reversal of 126425317 is 713524621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106791556 + 19633761 = 10334^2 + 4431^2 .

It is a cyclic number.

It is not a de Polignac number, because 126425317 - 2³ = 126425309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126425357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63212658 + 63212659.

It is an arithmetic number, because the mean of its divisors is an integer number (63212659).

Almost surely, 2^126425317 is an apocalyptic number.

It is an amenable number.

126425317 is a deficient number, since it is larger than the sum of its proper divisors (1).

126425317 is an equidigital number, since it uses as much as digits as its factorization.

126425317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 126425317 is about 11243.9013247182. The cubic root of 126425317 is about 501.8932448663.

Adding to 126425317 its reverse (713524621), we get a palindrome (839949938).

The spelling of 126425317 in words is "one hundred twenty-six million, four hundred twenty-five thousand, three hundred seventeen".