126264169 has 2 divisors, whose sum is σ = 126264170. Its totient is φ = 126264168.

The previous prime is 126264157. The next prime is 126264197. The reversal of 126264169 is 961462621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125888400 + 375769 = 11220^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 126264169 - 2²³ = 117875561 is a prime.

It is a super-2 number, since 2×126264169² = 31885280746521122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126264109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63132084 + 63132085.

It is an arithmetic number, because the mean of its divisors is an integer number (63132085).

Almost surely, 2^126264169 is an apocalyptic number.

It is an amenable number.

126264169 is a deficient number, since it is larger than the sum of its proper divisors (1).

126264169 is an equidigital number, since it uses as much as digits as its factorization.

126264169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 126264169 is about 11236.7330216571. The cubic root of 126264169 is about 501.6799081627.

The spelling of 126264169 in words is "one hundred twenty-six million, two hundred sixty-four thousand, one hundred sixty-nine".