126005234306 has 12 divisors (see below), whose sum is σ = 219866276358. Its totient is φ = 54002243232.

The previous prime is 126005234221. The next prime is 126005234357. The reversal of 126005234306 is 603432500621.

It can be written as a sum of positive squares in only one way, i.e., 86168667025 + 39836567281 = 293545^2 + 199591^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642883751 + ... + 642883946.

Almost surely, 2^126005234306 is an apocalyptic number.

126005234306 is a deficient number, since it is larger than the sum of its proper divisors (93861042052).

126005234306 is a wasteful number, since it uses less digits than its factorization.

126005234306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285767713 (or 1285767706 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 126005234306 its reverse (603432500621), we get a palindrome (729437734927).

The spelling of 126005234306 in words is "one hundred twenty-six billion, five million, two hundred thirty-four thousand, three hundred six".