1242322432 has 40 divisors (see below), whose sum is σ = 2673172656. Its totient is φ = 573376512.

The previous prime is 1242322421. The next prime is 1242322441. The reversal of 1242322432 is 2342232421.

It is a junction number, because it is equal to n+sod(n) for n = 1242322397 and 1242322406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86668 + ... + 99979.

Almost surely, 2^1242322432 is an apocalyptic number.

It is an amenable number.

1242322432 is an abundant number, since it is smaller than the sum of its proper divisors (1430850224).

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

1242322432 is an equidigital number, since it uses as much as digits as its factorization.

1242322432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186678 (or 186662 counting only the distinct ones).

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

The square root of 1242322432 is about 35246.5946156505. The cubic root of 1242322432 is about 1075.0073717180.

Adding to 1242322432 its reverse (2342232421), we get a palindrome (3584554853).

The spelling of 1242322432 in words is "one billion, two hundred forty-two million, three hundred twenty-two thousand, four hundred thirty-two".