126768091 has 2 divisors, whose sum is σ = 126768092. Its totient is φ = 126768090.

The previous prime is 126768067. The next prime is 126768097. The reversal of 126768091 is 190867621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126768091 - 2⁹ = 126767579 is a prime.

It is not a weakly prime, because it can be changed into another prime (126768097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63384045 + 63384046.

It is an arithmetic number, because the mean of its divisors is an integer number (63384046).

Almost surely, 2^126768091 is an apocalyptic number.

126768091 is a deficient number, since it is larger than the sum of its proper divisors (1).

126768091 is an equidigital number, since it uses as much as digits as its factorization.

126768091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 126768091 is about 11259.1336700476. The cubic root of 126768091 is about 502.3464260116.

The spelling of 126768091 in words is "one hundred twenty-six million, seven hundred sixty-eight thousand, ninety-one".