1132133221 has 16 divisors (see below), whose sum is σ = 1219465600. Its totient is φ = 1047816000.

The previous prime is 1132133203. The next prime is 1132133231. The reversal of 1132133221 is 1223312311.

It is a cyclic number.

It is not a de Polignac number, because 1132133221 - 2⁹ = 1132132709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132133231) 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 15 ways as a sum of consecutive naturals, for example, 171775 + ... + 178243.

It is an arithmetic number, because the mean of its divisors is an integer number (76216600).

Almost surely, 2^1132133221 is an apocalyptic number.

It is an amenable number.

1132133221 is a deficient number, since it is larger than the sum of its proper divisors (87332379).

1132133221 is a wasteful number, since it uses less digits than its factorization.

1132133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700.

The product of its digits is 216, while the sum is 19.

The square root of 1132133221 is about 33647.1874158896. The cubic root of 1132133221 is about 1042.2354592951.

Adding to 1132133221 its reverse (1223312311), we get a palindrome (2355445532).

The spelling of 1132133221 in words is "one billion, one hundred thirty-two million, one hundred thirty-three thousand, two hundred twenty-one".