126361297 has 2 divisors, whose sum is σ = 126361298. Its totient is φ = 126361296.

The previous prime is 126361237. The next prime is 126361307. The reversal of 126361297 is 792163621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119596096 + 6765201 = 10936^2 + 2601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126361297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126361217) 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, 63180648 + 63180649.

It is an arithmetic number, because the mean of its divisors is an integer number (63180649).

Almost surely, 2^126361297 is an apocalyptic number.

It is an amenable number.

126361297 is a deficient number, since it is larger than the sum of its proper divisors (1).

126361297 is an equidigital number, since it uses as much as digits as its factorization.

126361297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 126361297 is about 11241.0540875845. The cubic root of 126361297 is about 501.8085133388.

The spelling of 126361297 in words is "one hundred twenty-six million, three hundred sixty-one thousand, two hundred ninety-seven".