1123031132 has 12 divisors (see below), whose sum is σ = 1969169160. Its totient is φ = 560411376.

The previous prime is 1123031099. The next prime is 1123031149. The reversal of 1123031132 is 2311303211.

It is a super-2 number, since 2×1123031132² = 2522397846882402848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123031132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273758 + ... + 277829.

It is an arithmetic number, because the mean of its divisors is an integer number (164097430).

Almost surely, 2^1123031132 is an apocalyptic number.

It is an amenable number.

1123031132 is a deficient number, since it is larger than the sum of its proper divisors (846138028).

1123031132 is a wasteful number, since it uses less digits than its factorization.

1123031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552100 (or 552098 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1123031132 is about 33511.6566585420. The cubic root of 1123031132 is about 1039.4348297578.

Adding to 1123031132 its reverse (2311303211), we get a palindrome (3434334343).

The spelling of 1123031132 in words is "one billion, one hundred twenty-three million, thirty-one thousand, one hundred thirty-two".