1226712568 has 8 divisors (see below), whose sum is σ = 2300086080. Its totient is φ = 613356280.

The previous prime is 1226712533. The next prime is 1226712577. The reversal of 1226712568 is 8652176221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1226712568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76669528 + ... + 76669543.

It is an arithmetic number, because the mean of its divisors is an integer number (287510760).

Almost surely, 2^1226712568 is an apocalyptic number.

It is an amenable number.

1226712568 is a deficient number, since it is larger than the sum of its proper divisors (1073373512).

1226712568 is a wasteful number, since it uses less digits than its factorization.

1226712568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153339077 (or 153339073 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 1226712568 is about 35024.4567124174. The cubic root of 1226712568 is about 1070.4858677930.

Adding to 1226712568 its reverse (8652176221), we get a palindrome (9878888789).

The spelling of 1226712568 in words is "one billion, two hundred twenty-six million, seven hundred twelve thousand, five hundred sixty-eight".