126181241 has 2 divisors, whose sum is σ = 126181242. Its totient is φ = 126181240.

The previous prime is 126181201. The next prime is 126181267. The reversal of 126181241 is 142181621.

It is an a-pointer prime, because the next prime (126181267) can be obtained adding 126181241 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 270400 = 11221^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 126181241 - 2⁶ = 126181177 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126181241.

It is not a weakly prime, because it can be changed into another prime (126181201) 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, 63090620 + 63090621.

It is an arithmetic number, because the mean of its divisors is an integer number (63090621).

Almost surely, 2^126181241 is an apocalyptic number.

It is an amenable number.

126181241 is a deficient number, since it is larger than the sum of its proper divisors (1).

126181241 is an equidigital number, since it uses as much as digits as its factorization.

126181241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 26.

The square root of 126181241 is about 11233.0423750647. The cubic root of 126181241 is about 501.5700527086.

The spelling of 126181241 in words is "one hundred twenty-six million, one hundred eighty-one thousand, two hundred forty-one".