126240266 has 8 divisors (see below), whose sum is σ = 200499300. Its totient is φ = 59407168.

The previous prime is 126240253. The next prime is 126240269. The reversal of 126240266 is 662042621.

It can be written as a sum of positive squares in 2 ways, for example, as 102921025 + 23319241 = 10145^2 + 4829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126240269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856441 + ... + 1856508.

Almost surely, 2^126240266 is an apocalyptic number.

126240266 is a deficient number, since it is larger than the sum of its proper divisors (74259034).

126240266 is a wasteful number, since it uses less digits than its factorization.

126240266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712968.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 126240266 is about 11235.6693614577. The cubic root of 126240266 is about 501.6482485828.

Adding to 126240266 its reverse (662042621), we get a palindrome (788282887).

The spelling of 126240266 in words is "one hundred twenty-six million, two hundred forty thousand, two hundred sixty-six".