126113069 has 2 divisors, whose sum is σ = 126113070. Its totient is φ = 126113068.

The previous prime is 126113059. The next prime is 126113077. The reversal of 126113069 is 960311621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 169 = 11230^2 + 13^2 .

It is an emirp because it is prime and its reverse (960311621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126113069 - 2⁸ = 126112813 is a prime.

It is a super-2 number, since 2×126113069² = 31809012345197522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126113059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63056534 + 63056535.

It is an arithmetic number, because the mean of its divisors is an integer number (63056535).

Almost surely, 2^126113069 is an apocalyptic number.

It is an amenable number.

126113069 is a deficient number, since it is larger than the sum of its proper divisors (1).

126113069 is an equidigital number, since it uses as much as digits as its factorization.

126113069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 126113069 is about 11230.0075244855. The cubic root of 126113069 is about 501.4797086051.

The spelling of 126113069 in words is "one hundred twenty-six million, one hundred thirteen thousand, sixty-nine".