1200001336 has 8 divisors (see below), whose sum is σ = 2250002520. Its totient is φ = 600000664.

The previous prime is 1200001331. The next prime is 1200001337. The reversal of 1200001336 is 6331000021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200001331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75000076 + ... + 75000091.

It is an arithmetic number, because the mean of its divisors is an integer number (281250315).

Almost surely, 2^1200001336 is an apocalyptic number.

It is an amenable number.

1200001336 is a deficient number, since it is larger than the sum of its proper divisors (1050001184).

1200001336 is a wasteful number, since it uses less digits than its factorization.

1200001336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150000173 (or 150000169 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1200001336 is about 34641.0354348712. The cubic root of 1200001336 is about 1062.6589635469.

Adding to 1200001336 its reverse (6331000021), we get a palindrome (7531001357).

The spelling of 1200001336 in words is "one billion, two hundred million, one thousand, three hundred thirty-six".