1133121413 has 2 divisors, whose sum is σ = 1133121414. Its totient is φ = 1133121412.

The previous prime is 1133121391. The next prime is 1133121419. The reversal of 1133121413 is 3141213311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913429729 + 219691684 = 30223^2 + 14822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133121413 - 2²⁸ = 864685957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133121419) 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, 566560706 + 566560707.

It is an arithmetic number, because the mean of its divisors is an integer number (566560707).

Almost surely, 2^1133121413 is an apocalyptic number.

It is an amenable number.

1133121413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133121413 is an equidigital number, since it uses as much as digits as its factorization.

1133121413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 1133121413 is about 33661.8688280969. The cubic root of 1133121413 is about 1042.5386124365.

Adding to 1133121413 its reverse (3141213311), we get a palindrome (4274334724).

The spelling of 1133121413 in words is "one billion, one hundred thirty-three million, one hundred twenty-one thousand, four hundred thirteen".