126090782969 has 2 divisors, whose sum is σ = 126090782970. Its totient is φ = 126090782968.

The previous prime is 126090782959. The next prime is 126090783053. The reversal of 126090782969 is 969287090621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71269243369 + 54821539600 = 266963^2 + 234140^2 .

It is a cyclic number.

It is not a de Polignac number, because 126090782969 - 2²⁸ = 125822347513 is a prime.

It is a super-2 number, since 2×126090782969² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (126090782929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63045391484 + 63045391485.

It is an arithmetic number, because the mean of its divisors is an integer number (63045391485).

Almost surely, 2^126090782969 is an apocalyptic number.

It is an amenable number.

126090782969 is a deficient number, since it is larger than the sum of its proper divisors (1).

126090782969 is an equidigital number, since it uses as much as digits as its factorization.

126090782969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 126090782969 in words is "one hundred twenty-six billion, ninety million, seven hundred eighty-two thousand, nine hundred sixty-nine".