1243231032 has 32 divisors (see below), whose sum is σ = 3143005200. Its totient is φ = 409753344.

The previous prime is 1243231027. The next prime is 1243231051. The reversal of 1243231032 is 2301323421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288883 + ... + 293154.

Almost surely, 2^1243231032 is an apocalyptic number.

1243231032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243231032 is an abundant number, since it is smaller than the sum of its proper divisors (1899774168).

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

1243231032 is a wasteful number, since it uses less digits than its factorization.

1243231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582135 (or 582131 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1243231032 is about 35259.4814482573. The cubic root of 1243231032 is about 1075.2693846615.

Adding to 1243231032 its reverse (2301323421), we get a palindrome (3544554453).

The spelling of 1243231032 in words is "one billion, two hundred forty-three million, two hundred thirty-one thousand, thirty-two".