126310420697 has 2 divisors, whose sum is σ = 126310420698. Its totient is φ = 126310420696.

The previous prime is 126310420573. The next prime is 126310420711. The reversal of 126310420697 is 796024013621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92666056921 + 33644363776 = 304411^2 + 183424^2 .

It is a cyclic number.

It is not a de Polignac number, because 126310420697 - 2²⁶ = 126243311833 is a prime.

It is not a weakly prime, because it can be changed into another prime (126310428697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63155210348 + 63155210349.

It is an arithmetic number, because the mean of its divisors is an integer number (63155210349).

Almost surely, 2^126310420697 is an apocalyptic number.

It is an amenable number.

126310420697 is a deficient number, since it is larger than the sum of its proper divisors (1).

126310420697 is an equidigital number, since it uses as much as digits as its factorization.

126310420697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 126310420697 in words is "one hundred twenty-six billion, three hundred ten million, four hundred twenty thousand, six hundred ninety-seven".