1131123232 has 12 divisors (see below), whose sum is σ = 2226898926. Its totient is φ = 565561600.

The previous prime is 1131123229. The next prime is 1131123239. The reversal of 1131123232 is 2323211311.

It can be written as a sum of positive squares in only one way, i.e., 1013530896 + 117592336 = 31836^2 + 10844^2 .

It is not an unprimeable number, because it can be changed into a prime (1131123239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17673769 + ... + 17673832.

Almost surely, 2^1131123232 is an apocalyptic number.

It is an amenable number.

1131123232 is a deficient number, since it is larger than the sum of its proper divisors (1095775694).

1131123232 is an equidigital number, since it uses as much as digits as its factorization.

1131123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35347611 (or 35347603 counting only the distinct ones).

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

The square root of 1131123232 is about 33632.1755466399. The cubic root of 1131123232 is about 1041.9254370259.

Adding to 1131123232 its reverse (2323211311), we get a palindrome (3454334543).

It can be divided in two parts, 11311 and 23232, that added together give a palindrome (34543).

The spelling of 1131123232 in words is "one billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-two".