1132121188 has 24 divisors (see below), whose sum is σ = 2288460384. Its totient is φ = 484329600.

The previous prime is 1132121183. The next prime is 1132121189. The reversal of 1132121188 is 8811212311.

It is not an unprimeable number, because it can be changed into a prime (1132121183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756018 + ... + 757513.

It is an arithmetic number, because the mean of its divisors is an integer number (95352516).

Almost surely, 2^1132121188 is an apocalyptic number.

It is an amenable number.

1132121188 is an abundant number, since it is smaller than the sum of its proper divisors (1156339196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1132121188 is a wasteful number, since it uses less digits than its factorization.

1132121188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513563 (or 1513561 counting only the distinct ones).

The product of its digits is 768, while the sum is 28.

The square root of 1132121188 is about 33647.0086040349. The cubic root of 1132121188 is about 1042.2317667780.

Adding to 1132121188 its reverse (8811212311), we get a palindrome (9943333499).

The spelling of 1132121188 in words is "one billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred eighty-eight".