1243412132 has 6 divisors (see below), whose sum is σ = 2175971238. Its totient is φ = 621706064.

The previous prime is 1243412099. The next prime is 1243412143. The reversal of 1243412132 is 2312143421.

It can be written as a sum of positive squares in only one way, i.e., 888993856 + 354418276 = 29816^2 + 18826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1243412098 and 1243412107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155426513 + ... + 155426520.

It is an arithmetic number, because the mean of its divisors is an integer number (362661873).

Almost surely, 2^1243412132 is an apocalyptic number.

It is an amenable number.

1243412132 is a deficient number, since it is larger than the sum of its proper divisors (932559106).

1243412132 is a wasteful number, since it uses less digits than its factorization.

1243412132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310853037 (or 310853035 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1243412132 is about 35262.0494583057. The cubic root of 1243412132 is about 1075.3215932014.

Adding to 1243412132 its reverse (2312143421), we get a palindrome (3555555553).

The spelling of 1243412132 in words is "one billion, two hundred forty-three million, four hundred twelve thousand, one hundred thirty-two".