126719743 has 2 divisors, whose sum is σ = 126719744. Its totient is φ = 126719742.

The previous prime is 126719741. The next prime is 126719771. The reversal of 126719743 is 347917621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126719743 - 2¹ = 126719741 is a prime.

Together with 126719741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 126719696 and 126719705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126719741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63359871 + 63359872.

It is an arithmetic number, because the mean of its divisors is an integer number (63359872).

Almost surely, 2^126719743 is an apocalyptic number.

126719743 is a deficient number, since it is larger than the sum of its proper divisors (1).

126719743 is an equidigital number, since it uses as much as digits as its factorization.

126719743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 126719743 is about 11256.9864084488. The cubic root of 126719743 is about 502.2825546984.

The spelling of 126719743 in words is "one hundred twenty-six million, seven hundred nineteen thousand, seven hundred forty-three".