126157908743 has 2 divisors, whose sum is σ = 126157908744. Its totient is φ = 126157908742.

The previous prime is 126157908719. The next prime is 126157908757. The reversal of 126157908743 is 347809751621.

It is a strong prime.

It is an emirp because it is prime and its reverse (347809751621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126157908743 - 2¹⁰ = 126157907719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126157908713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63078954371 + 63078954372.

It is an arithmetic number, because the mean of its divisors is an integer number (63078954372).

It is a 1-persistent number, because it is pandigital, but 2⋅126157908743 = 252315817486 is not.

Almost surely, 2^126157908743 is an apocalyptic number.

126157908743 is a deficient number, since it is larger than the sum of its proper divisors (1).

126157908743 is an equidigital number, since it uses as much as digits as its factorization.

126157908743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 126157908743 in words is "one hundred twenty-six billion, one hundred fifty-seven million, nine hundred eight thousand, seven hundred forty-three".