1242715707504 has 240 divisors, whose sum is σ = 3666705494400. Its totient is φ = 392360177664.

The previous prime is 1242715707437. The next prime is 1242715707509. The reversal of 1242715707504 is 4057075172421.

It is a happy number.

1242715707504 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 7 + 1 + 570 + 75 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1242715707504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242715707509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51782932 + ... + 51806924.

It is an arithmetic number, because the mean of its divisors is an integer number (15277939560).

Almost surely, 2^{1242715707504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242715707504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833352747200).

1242715707504 is an abundant number, since it is smaller than the sum of its proper divisors (2423989786896).

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

1242715707504 is a wasteful number, since it uses less digits than its factorization.

1242715707504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272 (or 24263 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The spelling of 1242715707504 in words is "one trillion, two hundred forty-two billion, seven hundred fifteen million, seven hundred seven thousand, five hundred four".