1242324400 has 30 divisors (see below), whose sum is σ = 2984685332. Its totient is φ = 496929600.

The previous prime is 1242324383. The next prime is 1242324401. The reversal of 1242324400 is 44232421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1242324401) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1552506 + ... + 1553305.

Almost surely, 2^1242324400 is an apocalyptic number.

1242324400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242324400 is an abundant number, since it is smaller than the sum of its proper divisors (1742360932).

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

1242324400 is a wasteful number, since it uses less digits than its factorization.

1242324400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105829 (or 3105818 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1242324400 is about 35246.6225332300. The cubic root of 1242324400 is about 1075.0079393681.

Adding to 1242324400 its reverse (44232421), we get a palindrome (1286556821).

The spelling of 1242324400 in words is "one billion, two hundred forty-two million, three hundred twenty-four thousand, four hundred".