126835953123403 has 2 divisors, whose sum is σ = 126835953123404. Its totient is φ = 126835953123402.

The previous prime is 126835953123281. The next prime is 126835953123413. The reversal of 126835953123403 is 304321359538621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126835953123403 - 2³³ = 126827363188811 is a prime.

It is not a weakly prime, because it can be changed into another prime (126835953123413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63417976561701 + 63417976561702.

It is an arithmetic number, because the mean of its divisors is an integer number (63417976561702).

Almost surely, 2^{126835953123403} is an apocalyptic number.

126835953123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

126835953123403 is an equidigital number, since it uses as much as digits as its factorization.

126835953123403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 126835953123403 in words is "one hundred twenty-six trillion, eight hundred thirty-five billion, nine hundred fifty-three million, one hundred twenty-three thousand, four hundred three".