126567204473 has 2 divisors, whose sum is σ = 126567204474. Its totient is φ = 126567204472.

The previous prime is 126567204431. The next prime is 126567204487. The reversal of 126567204473 is 374402765621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83204556304 + 43362648169 = 288452^2 + 208237^2 .

It is a cyclic number.

It is not a de Polignac number, because 126567204473 - 2¹⁰ = 126567203449 is a prime.

It is a super-2 number, since 2×126567204473² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126567204073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63283602236 + 63283602237.

It is an arithmetic number, because the mean of its divisors is an integer number (63283602237).

Almost surely, 2^126567204473 is an apocalyptic number.

It is an amenable number.

126567204473 is a deficient number, since it is larger than the sum of its proper divisors (1).

126567204473 is an equidigital number, since it uses as much as digits as its factorization.

126567204473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 126567204473 in words is "one hundred twenty-six billion, five hundred sixty-seven million, two hundred four thousand, four hundred seventy-three".