126002663 has 2 divisors, whose sum is σ = 126002664. Its totient is φ = 126002662.

The previous prime is 126002641. The next prime is 126002683. The reversal of 126002663 is 366200621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126002663 - 2¹² = 125998567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126002633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63001331 + 63001332.

It is an arithmetic number, because the mean of its divisors is an integer number (63001332).

Almost surely, 2^126002663 is an apocalyptic number.

126002663 is a deficient number, since it is larger than the sum of its proper divisors (1).

126002663 is an equidigital number, since it uses as much as digits as its factorization.

126002663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 126002663 is about 11225.0907791429. The cubic root of 126002663 is about 501.3333253267. Note that the first 4 decimals are identical.

The spelling of 126002663 in words is "one hundred twenty-six million, two thousand, six hundred sixty-three".