126263387 has 2 divisors, whose sum is σ = 126263388. Its totient is φ = 126263386.

The previous prime is 126263299. The next prime is 126263393. The reversal of 126263387 is 783362621.

It is a strong prime.

It is an emirp because it is prime and its reverse (783362621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126263387 - 2¹² = 126259291 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 126263387.

It is not a weakly prime, because it can be changed into another prime (126263287) 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, 63131693 + 63131694.

It is an arithmetic number, because the mean of its divisors is an integer number (63131694).

Almost surely, 2^126263387 is an apocalyptic number.

126263387 is a deficient number, since it is larger than the sum of its proper divisors (1).

126263387 is an equidigital number, since it uses as much as digits as its factorization.

126263387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 126263387 is about 11236.6982250125. The cubic root of 126263387 is about 501.6788724650.

The spelling of 126263387 in words is "one hundred twenty-six million, two hundred sixty-three thousand, three hundred eighty-seven".