1123210132 has 24 divisors (see below), whose sum is σ = 2184773472. Its totient is φ = 500916000.

The previous prime is 1123210093. The next prime is 1123210133. The reversal of 1123210132 is 2310123211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123210133) 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, 238494 + ... + 243157.

It is an arithmetic number, because the mean of its divisors is an integer number (91032228).

Almost surely, 2^1123210132 is an apocalyptic number.

It is an amenable number.

1123210132 is a deficient number, since it is larger than the sum of its proper divisors (1061563340).

1123210132 is a wasteful number, since it uses less digits than its factorization.

1123210132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481719 (or 481717 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1123210132 is about 33514.3272646192. The cubic root of 1123210132 is about 1039.4900520174.

Adding to 1123210132 its reverse (2310123211), we get a palindrome (3433333343).

The spelling of 1123210132 in words is "one billion, one hundred twenty-three million, two hundred ten thousand, one hundred thirty-two".