126066503 has 2 divisors, whose sum is σ = 126066504. Its totient is φ = 126066502.

The previous prime is 126066487. The next prime is 126066517. The reversal of 126066503 is 305660621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126066503 - 2⁴ = 126066487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126066533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63033251 + 63033252.

It is an arithmetic number, because the mean of its divisors is an integer number (63033252).

Almost surely, 2^126066503 is an apocalyptic number.

126066503 is a deficient number, since it is larger than the sum of its proper divisors (1).

126066503 is an equidigital number, since it uses as much as digits as its factorization.

126066503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 126066503 is about 11227.9340486129. The cubic root of 126066503 is about 501.4179788704.

The spelling of 126066503 in words is "one hundred twenty-six million, sixty-six thousand, five hundred three".