1132271988 has 24 divisors (see below), whose sum is σ = 2647034208. Its totient is φ = 376700256.

The previous prime is 1132271977. The next prime is 1132271989. The reversal of 1132271988 is 8891722311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132271989) 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, 83931 + ... + 96482.

It is an arithmetic number, because the mean of its divisors is an integer number (110293092).

Almost surely, 2^1132271988 is an apocalyptic number.

It is an amenable number.

1132271988 is an abundant number, since it is smaller than the sum of its proper divisors (1514762220).

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

1132271988 is a wasteful number, since it uses less digits than its factorization.

1132271988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180943 (or 180941 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 1132271988 is about 33649.2494418523. The cubic root of 1132271988 is about 1042.2780402613.

The spelling of 1132271988 in words is "one billion, one hundred thirty-two million, two hundred seventy-one thousand, nine hundred eighty-eight".