1242347116 has 12 divisors (see below), whose sum is σ = 2268634032. Its totient is φ = 594165968.

The previous prime is 1242347089. The next prime is 1242347149. The reversal of 1242347116 is 6117432421.

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, 6751795 + ... + 6751978.

It is an arithmetic number, because the mean of its divisors is an integer number (189052836).

Almost surely, 2^1242347116 is an apocalyptic number.

It is an amenable number.

1242347116 is a deficient number, since it is larger than the sum of its proper divisors (1026286916).

1242347116 is a wasteful number, since it uses less digits than its factorization.

1242347116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503800 (or 13503798 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 1242347116 is about 35246.9447753986. The cubic root of 1242347116 is about 1075.0144915299.

Adding to 1242347116 its reverse (6117432421), we get a palindrome (7359779537).

The spelling of 1242347116 in words is "one billion, two hundred forty-two million, three hundred forty-seven thousand, one hundred sixteen".