126258266 has 8 divisors (see below), whose sum is σ = 189519060. Its totient is φ = 63085248.

The previous prime is 126258263. The next prime is 126258281. The reversal of 126258266 is 662852621.

It can be written as a sum of positive squares in 2 ways, for example, as 124970041 + 1288225 = 11179^2 + 1135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126258266² = 31882299466653512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126258263) 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 in 3 ways as a sum of consecutive naturals, for example, 18221 + ... + 24176.

Almost surely, 2^126258266 is an apocalyptic number.

126258266 is a deficient number, since it is larger than the sum of its proper divisors (63260794).

126258266 is a wasteful number, since it uses less digits than its factorization.

126258266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43888.

The product of its digits is 69120, while the sum is 38.

The square root of 126258266 is about 11236.4703532738. The cubic root of 126258266 is about 501.6720899968.

The spelling of 126258266 in words is "one hundred twenty-six million, two hundred fifty-eight thousand, two hundred sixty-six".