126711967 has 2 divisors, whose sum is σ = 126711968. Its totient is φ = 126711966.

The previous prime is 126711961. The next prime is 126711989. The reversal of 126711967 is 769117621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126711967 - 2⁷ = 126711839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126711961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63355983 + 63355984.

It is an arithmetic number, because the mean of its divisors is an integer number (63355984).

Almost surely, 2^126711967 is an apocalyptic number.

126711967 is a deficient number, since it is larger than the sum of its proper divisors (1).

126711967 is an equidigital number, since it uses as much as digits as its factorization.

126711967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 40.

The square root of 126711967 is about 11256.6410176393. The cubic root of 126711967 is about 502.2722805061.

The spelling of 126711967 in words is "one hundred twenty-six million, seven hundred eleven thousand, nine hundred sixty-seven".