126047589457 has 2 divisors, whose sum is σ = 126047589458. Its totient is φ = 126047589456.

The previous prime is 126047589433. The next prime is 126047589467. The reversal of 126047589457 is 754985740621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126036360256 + 11229201 = 355016^2 + 3351^2 .

It is a cyclic number.

It is not a de Polignac number, because 126047589457 - 2³⁵ = 91687851089 is a prime.

It is not a weakly prime, because it can be changed into another prime (126047589467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63023794728 + 63023794729.

It is an arithmetic number, because the mean of its divisors is an integer number (63023794729).

Almost surely, 2^126047589457 is an apocalyptic number.

It is an amenable number.

126047589457 is a deficient number, since it is larger than the sum of its proper divisors (1).

126047589457 is an equidigital number, since it uses as much as digits as its factorization.

126047589457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 126047589457 in words is "one hundred twenty-six billion, forty-seven million, five hundred eighty-nine thousand, four hundred fifty-seven".