126743007407 has 2 divisors, whose sum is σ = 126743007408. Its totient is φ = 126743007406.

The previous prime is 126743007403. The next prime is 126743007427. The reversal of 126743007407 is 704700347621.

It is a weak prime.

It is an emirp because it is prime and its reverse (704700347621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126743007407 - 2² = 126743007403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126743007403) 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, 63371503703 + 63371503704.

It is an arithmetic number, because the mean of its divisors is an integer number (63371503704).

Almost surely, 2^126743007407 is an apocalyptic number.

126743007407 is a deficient number, since it is larger than the sum of its proper divisors (1).

126743007407 is an equidigital number, since it uses as much as digits as its factorization.

126743007407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 126743007407 in words is "one hundred twenty-six billion, seven hundred forty-three million, seven thousand, four hundred seven".