126056269 has 2 divisors, whose sum is σ = 126056270. Its totient is φ = 126056268.

The previous prime is 126056267. The next prime is 126056291. The reversal of 126056269 is 962650621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125731369 + 324900 = 11213^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 126056269 - 2¹ = 126056267 is a prime.

It is a super-2 number, since 2×126056269² = 31780365908400722, which contains 22 as substring.

Together with 126056267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126056267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63028134 + 63028135.

It is an arithmetic number, because the mean of its divisors is an integer number (63028135).

Almost surely, 2^126056269 is an apocalyptic number.

It is an amenable number.

126056269 is a deficient number, since it is larger than the sum of its proper divisors (1).

126056269 is an equidigital number, since it uses as much as digits as its factorization.

126056269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 126056269 is about 11227.4783010256. The cubic root of 126056269 is about 501.4044102371.

The spelling of 126056269 in words is "one hundred twenty-six million, fifty-six thousand, two hundred sixty-nine".