1123012132 has 36 divisors (see below), whose sum is σ = 2181656988. Its totient is φ = 505384000.

The previous prime is 1123012127. The next prime is 1123012139. The reversal of 1123012132 is 2312103211.

It can be written as a sum of positive squares in 2 ways, for example, as 904445476 + 218566656 = 30074^2 + 14784^2 .

It is a super-2 number, since 2×1123012132² = 2522312497238370848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123012139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37398 + ... + 60370.

It is an arithmetic number, because the mean of its divisors is an integer number (60601583).

Almost surely, 2^1123012132 is an apocalyptic number.

It is an amenable number.

1123012132 is a deficient number, since it is larger than the sum of its proper divisors (1058644856).

1123012132 is a wasteful number, since it uses less digits than its factorization.

1123012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100 (or 23087 counting only the distinct ones).

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

The square root of 1123012132 is about 33511.3731738943. The cubic root of 1123012132 is about 1039.4289678327.

Adding to 1123012132 its reverse (2312103211), we get a palindrome (3435115343).

The spelling of 1123012132 in words is "one billion, one hundred twenty-three million, twelve thousand, one hundred thirty-two".