126320671 has 2 divisors, whose sum is σ = 126320672. Its totient is φ = 126320670.

The previous prime is 126320657. The next prime is 126320681. The reversal of 126320671 is 176023621.

It is a strong prime.

It is an emirp because it is prime and its reverse (176023621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126320671 - 2⁷ = 126320543 is a prime.

It is equal to p_7181038 and since 126320671 and 7181038 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126320641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63160335 + 63160336.

It is an arithmetic number, because the mean of its divisors is an integer number (63160336).

Almost surely, 2^126320671 is an apocalyptic number.

126320671 is a deficient number, since it is larger than the sum of its proper divisors (1).

126320671 is an equidigital number, since it uses as much as digits as its factorization.

126320671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 126320671 is about 11239.2469053758. The cubic root of 126320671 is about 501.7547293128.

The spelling of 126320671 in words is "one hundred twenty-six million, three hundred twenty thousand, six hundred seventy-one".