126545267 has 2 divisors, whose sum is σ = 126545268. Its totient is φ = 126545266.

The previous prime is 126545261. The next prime is 126545411. The reversal of 126545267 is 762545621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126545267 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126545267.

It is not a weakly prime, because it can be changed into another prime (126545261) 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, 63272633 + 63272634.

It is an arithmetic number, because the mean of its divisors is an integer number (63272634).

Almost surely, 2^126545267 is an apocalyptic number.

126545267 is a deficient number, since it is larger than the sum of its proper divisors (1).

126545267 is an equidigital number, since it uses as much as digits as its factorization.

126545267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 126545267 is about 11249.2340628151. The cubic root of 126545267 is about 502.0519236991.

The spelling of 126545267 in words is "one hundred twenty-six million, five hundred forty-five thousand, two hundred sixty-seven".