126260269 has 2 divisors, whose sum is σ = 126260270. Its totient is φ = 126260268.

The previous prime is 126260237. The next prime is 126260273. The reversal of 126260269 is 962062621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124055044 + 2205225 = 11138^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 126260269 - 2⁵ = 126260237 is a prime.

It is a super-2 number, since 2×126260269² = 31883311055904722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126260209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63130134 + 63130135.

It is an arithmetic number, because the mean of its divisors is an integer number (63130135).

Almost surely, 2^126260269 is an apocalyptic number.

It is an amenable number.

126260269 is a deficient number, since it is larger than the sum of its proper divisors (1).

126260269 is an equidigital number, since it uses as much as digits as its factorization.

126260269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 126260269 is about 11236.5594823327. The cubic root of 126260269 is about 501.6747428763.

The spelling of 126260269 in words is "one hundred twenty-six million, two hundred sixty thousand, two hundred sixty-nine".