1200011133 has 8 divisors (see below), whose sum is σ = 1601524288. Its totient is φ = 799252704.

The previous prime is 1200011129. The next prime is 1200011143. The reversal of 1200011133 is 3311100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200011133 - 2² = 1200011129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200011123) 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, 184960 + ... + 191337.

It is an arithmetic number, because the mean of its divisors is an integer number (200190536).

Almost surely, 2^1200011133 is an apocalyptic number.

It is an amenable number.

1200011133 is a deficient number, since it is larger than the sum of its proper divisors (401513155).

1200011133 is a wasteful number, since it uses less digits than its factorization.

1200011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377363.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1200011133 is about 34641.1768420185. The cubic root of 1200011133 is about 1062.6618554441.

Adding to 1200011133 its reverse (3311100021), we get a palindrome (4511111154).

The spelling of 1200011133 in words is "one billion, two hundred million, eleven thousand, one hundred thirty-three".