126665927 has 2 divisors, whose sum is σ = 126665928. Its totient is φ = 126665926.

The previous prime is 126665921. The next prime is 126665971. The reversal of 126665927 is 729566621.

It is an a-pointer prime, because the next prime (126665971) can be obtained adding 126665927 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126665927 - 2¹⁶ = 126600391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126665921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63332963 + 63332964.

It is an arithmetic number, because the mean of its divisors is an integer number (63332964).

Almost surely, 2^126665927 is an apocalyptic number.

126665927 is a deficient number, since it is larger than the sum of its proper divisors (1).

126665927 is an equidigital number, since it uses as much as digits as its factorization.

126665927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 126665927 is about 11254.5958168208. The cubic root of 126665927 is about 502.2114406406.

The spelling of 126665927 in words is "one hundred twenty-six million, six hundred sixty-five thousand, nine hundred twenty-seven".