126063721379 has 2 divisors, whose sum is σ = 126063721380. Its totient is φ = 126063721378.

The previous prime is 126063721327. The next prime is 126063721387. The reversal of 126063721379 is 973127360621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126063721379 - 2¹⁶ = 126063655843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (126063721879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63031860689 + 63031860690.

It is an arithmetic number, because the mean of its divisors is an integer number (63031860690).

Almost surely, 2^126063721379 is an apocalyptic number.

126063721379 is a deficient number, since it is larger than the sum of its proper divisors (1).

126063721379 is an equidigital number, since it uses as much as digits as its factorization.

126063721379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 126063721379 in words is "one hundred twenty-six billion, sixty-three million, seven hundred twenty-one thousand, three hundred seventy-nine".