1240303124242 has 32 divisors (see below), whose sum is σ = 2336520816000. Its totient is φ = 490669364304.

The previous prime is 1240303124191. The next prime is 1240303124297. The reversal of 1240303124242 is 2424213030421.

It is a self number, because there is not a number n which added to its sum of digits gives 1240303124242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69530392 + ... + 69548227.

It is an arithmetic number, because the mean of its divisors is an integer number (73016275500).

Almost surely, 2^{1240303124242} is an apocalyptic number.

1240303124242 is a deficient number, since it is larger than the sum of its proper divisors (1096217691758).

1240303124242 is a wasteful number, since it uses less digits than its factorization.

1240303124242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139078655 (or 139078641 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1240303124242 its reverse (2424213030421), we get a palindrome (3664516154663).

The spelling of 1240303124242 in words is "one trillion, two hundred forty billion, three hundred three million, one hundred twenty-four thousand, two hundred forty-two".