1132401228 has 48 divisors (see below), whose sum is σ = 3151034880. Its totient is φ = 309475584.

The previous prime is 1132401227. The next prime is 1132401253. The reversal of 1132401228 is 8221042311.

It is a junction number, because it is equal to n+sod(n) for n = 1132401198 and 1132401207.

It is not an unprimeable number, because it can be changed into a prime (1132401227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291133 + ... + 294996.

It is an arithmetic number, because the mean of its divisors is an integer number (65646560).

Almost surely, 2^1132401228 is an apocalyptic number.

It is an amenable number.

1132401228 is an abundant number, since it is smaller than the sum of its proper divisors (2018633652).

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

1132401228 is a wasteful number, since it uses less digits than its factorization.

1132401228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586166 (or 586164 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1132401228 is about 33651.1697865022. The cubic root of 1132401228 is about 1042.3176947173.

Adding to 1132401228 its reverse (8221042311), we get a palindrome (9353443539).

The spelling of 1132401228 in words is "one billion, one hundred thirty-two million, four hundred one thousand, two hundred twenty-eight".