126067369 has 2 divisors, whose sum is σ = 126067370. Its totient is φ = 126067368.

The previous prime is 126067367. The next prime is 126067391. The reversal of 126067369 is 963760621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 13601344 = 10605^2 + 3688^2 .

It is an emirp because it is prime and its reverse (963760621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126067369 - 2¹ = 126067367 is a prime.

It is a super-2 number, since 2×126067369² = 31785963053164322, which contains 22 as substring.

Together with 126067367, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126067363) 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, 63033684 + 63033685.

It is an arithmetic number, because the mean of its divisors is an integer number (63033685).

Almost surely, 2^126067369 is an apocalyptic number.

It is an amenable number.

126067369 is a deficient number, since it is larger than the sum of its proper divisors (1).

126067369 is an equidigital number, since it uses as much as digits as its factorization.

126067369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 126067369 is about 11227.9726130767. The cubic root of 126067369 is about 501.4191270130.

The spelling of 126067369 in words is "one hundred twenty-six million, sixty-seven thousand, three hundred sixty-nine".