1242424016 has 10 divisors (see below), whose sum is σ = 2407196562. Its totient is φ = 621212000.

The previous prime is 1242424013. The next prime is 1242424021. The reversal of 1242424016 is 6104242421.

It can be written as a sum of positive squares in only one way, i.e., 1175118400 + 67305616 = 34280^2 + 8204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242424013) 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 as a sum of consecutive naturals, namely, 38825735 + ... + 38825766.

Almost surely, 2^1242424016 is an apocalyptic number.

1242424016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1242424016 is a deficient number, since it is larger than the sum of its proper divisors (1164772546).

1242424016 is an equidigital number, since it uses as much as digits as its factorization.

1242424016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77651509 (or 77651503 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1242424016 is about 35248.0356332094. The cubic root of 1242424016 is about 1075.0366718335.

Adding to 1242424016 its reverse (6104242421), we get a palindrome (7346666437).

The spelling of 1242424016 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand, sixteen".