1123141232 has 80 divisors (see below), whose sum is σ = 2320164000. Its totient is φ = 525837312.

The previous prime is 1123141223. The next prime is 1123141247. The reversal of 1123141232 is 2321413211.

It is a super-2 number, since 2×1123141232² = 2522892454036955648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680319 + ... + 2680737.

It is an arithmetic number, because the mean of its divisors is an integer number (29002050).

Almost surely, 2^1123141232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123141232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160082000).

1123141232 is an abundant number, since it is smaller than the sum of its proper divisors (1197022768).

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

1123141232 is a wasteful number, since it uses less digits than its factorization.

1123141232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1123141232 is about 33513.2993302659. The cubic root of 1123141232 is about 1039.4687967696.

Adding to 1123141232 its reverse (2321413211), we get a palindrome (3444554443).

The spelling of 1123141232 in words is "one billion, one hundred twenty-three million, one hundred forty-one thousand, two hundred thirty-two".