1242424000 has 56 divisors (see below), whose sum is σ = 3076882848. Its totient is φ = 496966400.

The previous prime is 1242423977. The next prime is 1242424009. The reversal of 1242424000 is 4242421.

It is not an unprimeable number, because it can be changed into a prime (1242424009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69652 + ... + 85651.

Almost surely, 2^1242424000 is an apocalyptic number.

1242424000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242424000 is an abundant number, since it is smaller than the sum of its proper divisors (1834458848).

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

1242424000 is an equidigital number, since it uses as much as digits as its factorization.

1242424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155330 (or 155310 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1242424000 is about 35248.0354062464. The cubic root of 1242424000 is about 1075.0366672187.

Adding to 1242424000 its reverse (4242421), we get a palindrome (1246666421).

The spelling of 1242424000 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand".