1233122132 has 72 divisors (see below), whose sum is σ = 2547148968. Its totient is φ = 520058880.

The previous prime is 1233122131. The next prime is 1233122141. The reversal of 1233122132 is 2312213321.

It can be written as a sum of positive squares in 4 ways, for example, as 373107856 + 860014276 = 19316^2 + 29326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599618 + ... + 601670.

It is an arithmetic number, because the mean of its divisors is an integer number (35377069).

Almost surely, 2^1233122132 is an apocalyptic number.

It is an amenable number.

1233122132 is an abundant number, since it is smaller than the sum of its proper divisors (1314026836).

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

1233122132 is a wasteful number, since it uses less digits than its factorization.

1233122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2156 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1233122132 is about 35115.8387625869. The cubic root of 1233122132 is about 1072.3470568670.

Adding to 1233122132 its reverse (2312213321), we get a palindrome (3545335453).

The spelling of 1233122132 in words is "one billion, two hundred thirty-three million, one hundred twenty-two thousand, one hundred thirty-two".