126567204487 has 2 divisors, whose sum is σ = 126567204488. Its totient is φ = 126567204486.

The previous prime is 126567204473. The next prime is 126567204503. The reversal of 126567204487 is 784402765621.

It is a weak prime.

It is an emirp because it is prime and its reverse (784402765621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126567204487 - 2¹⁵ = 126567171719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126567244487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63283602243 + 63283602244.

It is an arithmetic number, because the mean of its divisors is an integer number (63283602244).

Almost surely, 2^126567204487 is an apocalyptic number.

126567204487 is a deficient number, since it is larger than the sum of its proper divisors (1).

126567204487 is an equidigital number, since it uses as much as digits as its factorization.

126567204487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 126567204487 in words is "one hundred twenty-six billion, five hundred sixty-seven million, two hundred four thousand, four hundred eighty-seven".