126011269 has 2 divisors, whose sum is σ = 126011270. Its totient is φ = 126011268.

The previous prime is 126011261. The next prime is 126011321. The reversal of 126011269 is 962110621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 53846244 = 8495^2 + 7338^2 .

It is a cyclic number.

It is not a de Polignac number, because 126011269 - 2³ = 126011261 is a prime.

It is a super-2 number, since 2×126011269² = 31757679829980722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126011261) 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, 63005634 + 63005635.

It is an arithmetic number, because the mean of its divisors is an integer number (63005635).

Almost surely, 2^126011269 is an apocalyptic number.

It is an amenable number.

126011269 is a deficient number, since it is larger than the sum of its proper divisors (1).

126011269 is an equidigital number, since it uses as much as digits as its factorization.

126011269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 126011269 is about 11225.4741102548. The cubic root of 126011269 is about 501.3447387796.

The spelling of 126011269 in words is "one hundred twenty-six million, eleven thousand, two hundred sixty-nine".