126445057259 has 2 divisors, whose sum is σ = 126445057260. Its totient is φ = 126445057258.

The previous prime is 126445057243. The next prime is 126445057279. The reversal of 126445057259 is 952750544621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126445057259 - 2⁴ = 126445057243 is a prime.

It is not a weakly prime, because it can be changed into another prime (126445057279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63222528629 + 63222528630.

It is an arithmetic number, because the mean of its divisors is an integer number (63222528630).

Almost surely, 2^126445057259 is an apocalyptic number.

126445057259 is a deficient number, since it is larger than the sum of its proper divisors (1).

126445057259 is an equidigital number, since it uses as much as digits as its factorization.

126445057259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 126445057259 in words is "one hundred twenty-six billion, four hundred forty-five million, fifty-seven thousand, two hundred fifty-nine".