126666914500237 has 2 divisors, whose sum is σ = 126666914500238. Its totient is φ = 126666914500236.

The previous prime is 126666914500171. The next prime is 126666914500333. The reversal of 126666914500237 is 732005419666621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105117877795401 + 21549036704836 = 10252701^2 + 4642094^2 .

It is a cyclic number.

It is not a de Polignac number, because 126666914500237 - 2⁷ = 126666914500109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126666914503237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63333457250118 + 63333457250119.

It is an arithmetic number, because the mean of its divisors is an integer number (63333457250119).

Almost surely, 2^{126666914500237} is an apocalyptic number.

It is an amenable number.

126666914500237 is a deficient number, since it is larger than the sum of its proper divisors (1).

126666914500237 is an equidigital number, since it uses as much as digits as its factorization.

126666914500237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 126666914500237 in words is "one hundred twenty-six trillion, six hundred sixty-six billion, nine hundred fourteen million, five hundred thousand, two hundred thirty-seven".