1242432232 has 16 divisors (see below), whose sum is σ = 2331499140. Its totient is φ = 620699136.

The previous prime is 1242432223. The next prime is 1242432281. The reversal of 1242432232 is 2322342421.

It can be written as a sum of positive squares in 2 ways, for example, as 1127213476 + 115218756 = 33574^2 + 10734^2 .

It is a super-2 number, since 2×1242432232² = 3087275702225003648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1242432197 and 1242432206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54313 + ... + 73720.

Almost surely, 2^1242432232 is an apocalyptic number.

It is an amenable number.

1242432232 is a deficient number, since it is larger than the sum of its proper divisors (1089066908).

1242432232 is a wasteful number, since it uses less digits than its factorization.

1242432232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129252 (or 129248 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 1242432232 is about 35248.1521785185. The cubic root of 1242432232 is about 1075.0390415242.

Adding to 1242432232 its reverse (2322342421), we get a palindrome (3564774653).

The spelling of 1242432232 in words is "one billion, two hundred forty-two million, four hundred thirty-two thousand, two hundred thirty-two".