1200227836 has 6 divisors (see below), whose sum is σ = 2100398720. Its totient is φ = 600113916.

The previous prime is 1200227813. The next prime is 1200227921. The reversal of 1200227836 is 6387220021.

It is a junction number, because it is equal to n+sod(n) for n = 1200227798 and 1200227807.

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, 150028476 + ... + 150028483.

Almost surely, 2^1200227836 is an apocalyptic number.

It is an amenable number.

1200227836 is a deficient number, since it is larger than the sum of its proper divisors (900170884).

1200227836 is a wasteful number, since it uses less digits than its factorization.

1200227836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300056963 (or 300056961 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1200227836 is about 34644.3045246979. The cubic root of 1200227836 is about 1062.7258182261.

Adding to 1200227836 its reverse (6387220021), we get a palindrome (7587447857).

The spelling of 1200227836 in words is "one billion, two hundred million, two hundred twenty-seven thousand, eight hundred thirty-six".