127838370754043 has 2 divisors, whose sum is σ = 127838370754044. Its totient is φ = 127838370754042.

The previous prime is 127838370754037. The next prime is 127838370754067. The reversal of 127838370754043 is 340457073838721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127838370754043 - 2⁴ = 127838370754027 is a prime.

It is not a weakly prime, because it can be changed into another prime (127838370754243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63919185377021 + 63919185377022.

It is an arithmetic number, because the mean of its divisors is an integer number (63919185377022).

Almost surely, 2^{127838370754043} is an apocalyptic number.

127838370754043 is a deficient number, since it is larger than the sum of its proper divisors (1).

127838370754043 is an equidigital number, since it uses as much as digits as its factorization.

127838370754043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94832640, while the sum is 62.

The spelling of 127838370754043 in words is "one hundred twenty-seven trillion, eight hundred thirty-eight billion, three hundred seventy million, seven hundred fifty-four thousand, forty-three".