126321119987 has 2 divisors, whose sum is σ = 126321119988. Its totient is φ = 126321119986.

The previous prime is 126321119971. The next prime is 126321119993. The reversal of 126321119987 is 789911123621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126321119987 - 2⁴ = 126321119971 is a prime.

It is not a weakly prime, because it can be changed into another prime (126321119927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63160559993 + 63160559994.

It is an arithmetic number, because the mean of its divisors is an integer number (63160559994).

Almost surely, 2^126321119987 is an apocalyptic number.

126321119987 is a deficient number, since it is larger than the sum of its proper divisors (1).

126321119987 is an equidigital number, since it uses as much as digits as its factorization.

126321119987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 50.

The spelling of 126321119987 in words is "one hundred twenty-six billion, three hundred twenty-one million, one hundred nineteen thousand, nine hundred eighty-seven".