126661079 has 2 divisors, whose sum is σ = 126661080. Its totient is φ = 126661078.

The previous prime is 126661061. The next prime is 126661081. The reversal of 126661079 is 970166621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126661079 - 2²⁴ = 109883863 is a prime.

Together with 126661081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126661019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63330539 + 63330540.

It is an arithmetic number, because the mean of its divisors is an integer number (63330540).

Almost surely, 2^126661079 is an apocalyptic number.

126661079 is a deficient number, since it is larger than the sum of its proper divisors (1).

126661079 is an equidigital number, since it uses as much as digits as its factorization.

126661079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 126661079 is about 11254.3804360791. The cubic root of 126661079 is about 502.2050333608.

The spelling of 126661079 in words is "one hundred twenty-six million, six hundred sixty-one thousand, seventy-nine".