126436365226 has 16 divisors (see below), whose sum is σ = 194437482120. Its totient is φ = 61626366720.

The previous prime is 126436365221. The next prime is 126436365247. The reversal of 126436365226 is 622563634621.

It can be written as a sum of positive squares in 4 ways, for example, as 106862956201 + 19573409025 = 326899^2 + 139905^2 .

It is not an unprimeable number, because it can be changed into a prime (126436365221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521811 + ... + 724678.

Almost surely, 2^126436365226 is an apocalyptic number.

126436365226 is a deficient number, since it is larger than the sum of its proper divisors (68001116894).

126436365226 is a wasteful number, since it uses less digits than its factorization.

126436365226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247769.

The product of its digits is 1866240, while the sum is 46.

Adding to 126436365226 its reverse (622563634621), we get a palindrome (748999999847).

The spelling of 126436365226 in words is "one hundred twenty-six billion, four hundred thirty-six million, three hundred sixty-five thousand, two hundred twenty-six".