126876425999 has 2 divisors, whose sum is σ = 126876426000. Its totient is φ = 126876425998.

The previous prime is 126876425987. The next prime is 126876426031. The reversal of 126876425999 is 999524678621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126876425999 - 2²⁰ = 126875377423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126876425909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63438212999 + 63438213000.

It is an arithmetic number, because the mean of its divisors is an integer number (63438213000).

Almost surely, 2^126876425999 is an apocalyptic number.

126876425999 is a deficient number, since it is larger than the sum of its proper divisors (1).

126876425999 is an equidigital number, since it uses as much as digits as its factorization.

126876425999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 68.

The spelling of 126876425999 in words is "one hundred twenty-six billion, eight hundred seventy-six million, four hundred twenty-five thousand, nine hundred ninety-nine".