126105611 has 2 divisors, whose sum is σ = 126105612. Its totient is φ = 126105610.

The previous prime is 126105593. The next prime is 126105719. The reversal of 126105611 is 116501621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126105611 - 2²⁶ = 58996747 is a prime.

It is not a weakly prime, because it can be changed into another prime (126105011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63052805 + 63052806.

It is an arithmetic number, because the mean of its divisors is an integer number (63052806).

Almost surely, 2^126105611 is an apocalyptic number.

126105611 is a deficient number, since it is larger than the sum of its proper divisors (1).

126105611 is an equidigital number, since it uses as much as digits as its factorization.

126105611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 126105611 is about 11229.6754628084. The cubic root of 126105611 is about 501.4698230068.

The spelling of 126105611 in words is "one hundred twenty-six million, one hundred five thousand, six hundred eleven".