1241394897600 has 1344 divisors, whose sum is σ = 5548274887680. Its totient is φ = 265686220800.

The previous prime is 1241394897581. The next prime is 1241394897683. The reversal of 1241394897600 is 67984931421.

1241394897600 is a `hidden beast` number, since 1 + 2 + 413 + 94 + 89 + 7 + 60 + 0 = 666.

It is a super-2 number, since 2×1241394897600² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 142080432 + ... + 142089168.

It is an arithmetic number, because the mean of its divisors is an integer number (4128180720).

Almost surely, 2^{1241394897600} is an apocalyptic number.

1241394897600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241394897600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774137443840).

1241394897600 is an abundant number, since it is smaller than the sum of its proper divisors (4306879990080).

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

1241394897600 is a wasteful number, since it uses less digits than its factorization.

1241394897600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815 (or 8794 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1241394897600 in words is "one trillion, two hundred forty-one billion, three hundred ninety-four million, eight hundred ninety-seven thousand, six hundred".