126766061 has 2 divisors, whose sum is σ = 126766062. Its totient is φ = 126766060.

The previous prime is 126766051. The next prime is 126766069. The reversal of 126766061 is 160667621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85562500 + 41203561 = 9250^2 + 6419^2 .

It is an emirp because it is prime and its reverse (160667621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126766061 - 2¹⁴ = 126749677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126766069) 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, 63383030 + 63383031.

It is an arithmetic number, because the mean of its divisors is an integer number (63383031).

Almost surely, 2^126766061 is an apocalyptic number.

It is an amenable number.

126766061 is a deficient number, since it is larger than the sum of its proper divisors (1).

126766061 is an equidigital number, since it uses as much as digits as its factorization.

126766061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 126766061 is about 11259.0435206549. The cubic root of 126766061 is about 502.3437445569.

The spelling of 126766061 in words is "one hundred twenty-six million, seven hundred sixty-six thousand, sixty-one".