1242522416 has 10 divisors (see below), whose sum is σ = 2407387212. Its totient is φ = 621261200.

The previous prime is 1242522397. The next prime is 1242522427. The reversal of 1242522416 is 6142252421.

It is an unprimeable number.

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, 38828810 + ... + 38828841.

Almost surely, 2^1242522416 is an apocalyptic number.

1242522416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1242522416 is a deficient number, since it is larger than the sum of its proper divisors (1164864796).

1242522416 is an equidigital number, since it uses as much as digits as its factorization.

1242522416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77657659 (or 77657653 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1242522416 is about 35249.4314280387. The cubic root of 1242522416 is about 1075.0650520576.

Adding to 1242522416 its reverse (6142252421), we get a palindrome (7384774837).

The spelling of 1242522416 in words is "one billion, two hundred forty-two million, five hundred twenty-two thousand, four hundred sixteen".