126495797 has 2 divisors, whose sum is σ = 126495798. Its totient is φ = 126495796.

The previous prime is 126495781. The next prime is 126495821. The reversal of 126495797 is 797594621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112063396 + 14432401 = 10586^2 + 3799^2 .

It is a cyclic number.

It is not a de Polignac number, because 126495797 - 2⁴ = 126495781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126495737) 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, 63247898 + 63247899.

It is an arithmetic number, because the mean of its divisors is an integer number (63247899).

Almost surely, 2^126495797 is an apocalyptic number.

It is an amenable number.

126495797 is a deficient number, since it is larger than the sum of its proper divisors (1).

126495797 is an equidigital number, since it uses as much as digits as its factorization.

126495797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 126495797 is about 11247.0350315094. The cubic root of 126495797 is about 501.9864932372.

The spelling of 126495797 in words is "one hundred twenty-six million, four hundred ninety-five thousand, seven hundred ninety-seven".