126798863 has 2 divisors, whose sum is σ = 126798864. Its totient is φ = 126798862.

The previous prime is 126798803. The next prime is 126798899. The reversal of 126798863 is 368897621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126798863 is a prime.

It is a Sophie Germain 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 (126798803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63399431 + 63399432.

It is an arithmetic number, because the mean of its divisors is an integer number (63399432).

Almost surely, 2^126798863 is an apocalyptic number.

126798863 is a deficient number, since it is larger than the sum of its proper divisors (1).

126798863 is an equidigital number, since it uses as much as digits as its factorization.

126798863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 126798863 is about 11260.5001221083. The cubic root of 126798863 is about 502.3870696612.

The spelling of 126798863 in words is "one hundred twenty-six million, seven hundred ninety-eight thousand, eight hundred sixty-three".