1073217147520 has 64 divisors (see below), whose sum is σ = 2932182576000. Its totient is φ = 367960163328.

The previous prime is 1073217147511. The next prime is 1073217147521. The reversal of 1073217147520 is 257417123701.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1073217147521) 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 7 ways as a sum of consecutive naturals, for example, 119774220 + ... + 119783179.

It is an arithmetic number, because the mean of its divisors is an integer number (45815352750).

Almost surely, 2^{1073217147520} is an apocalyptic number.

1073217147520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1073217147520 is an abundant number, since it is smaller than the sum of its proper divisors (1858965428480).

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

1073217147520 is an equidigital number, since it uses as much as digits as its factorization.

1073217147520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239557425 (or 239557413 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 1073217147520 in words is "one trillion, seventy-three billion, two hundred seventeen million, one hundred forty-seven thousand, five hundred twenty".