1200126933 has 6 divisors (see below), whose sum is σ = 1733516694. Its totient is φ = 800084616.

The previous prime is 1200126911. The next prime is 1200126937. The reversal of 1200126933 is 3396210021.

It can be written as a sum of positive squares in only one way, i.e., 1198336689 + 1790244 = 34617^2 + 1338^2 .

It is not a de Polignac number, because 1200126933 - 2⁸ = 1200126677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200126897 and 1200126906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200126937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66673710 + ... + 66673727.

It is an arithmetic number, because the mean of its divisors is an integer number (288919449).

Almost surely, 2^1200126933 is an apocalyptic number.

It is an amenable number.

1200126933 is a deficient number, since it is larger than the sum of its proper divisors (533389761).

1200126933 is a wasteful number, since it uses less digits than its factorization.

1200126933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133347443 (or 133347440 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1200126933 is about 34642.8482229738. The cubic root of 1200126933 is about 1062.6960363172.

Adding to 1200126933 its reverse (3396210021), we get a palindrome (4596336954).

The spelling of 1200126933 in words is "one billion, two hundred million, one hundred twenty-six thousand, nine hundred thirty-three".