126047903 has 2 divisors, whose sum is σ = 126047904. Its totient is φ = 126047902.

The previous prime is 126047839. The next prime is 126047923. The reversal of 126047903 is 309740621.

It is a strong prime.

It is an emirp because it is prime and its reverse (309740621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126047903 - 2⁶ = 126047839 is a prime.

It is a Sophie Germain 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 126047903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126047923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63023951 + 63023952.

It is an arithmetic number, because the mean of its divisors is an integer number (63023952).

Almost surely, 2^126047903 is an apocalyptic number.

126047903 is a deficient number, since it is larger than the sum of its proper divisors (1).

126047903 is an equidigital number, since it uses as much as digits as its factorization.

126047903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 126047903 is about 11227.1057267668. The cubic root of 126047903 is about 501.3933177249.

The spelling of 126047903 in words is "one hundred twenty-six million, forty-seven thousand, nine hundred three".