7120841280 has 448 divisors, whose sum is σ = 27852380160. Its totient is φ = 1504935936.

The previous prime is 7120841263. The next prime is 7120841297. The reversal of 7120841280 is 821480217.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7120841263) and next prime (7120841297).

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5489592 + ... + 5490888.

Almost surely, 2^7120841280 is an apocalyptic number.

7120841280 is a gapful number since it is divisible by the number (70) 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 7120841280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13926190080).

7120841280 is an abundant number, since it is smaller than the sum of its proper divisors (20731538880).

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

7120841280 is a wasteful number, since it uses less digits than its factorization.

7120841280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 7120841280 is about 84385.0773537597. The cubic root of 7120841280 is about 1923.8761105849.

The spelling of 7120841280 in words is "seven billion, one hundred twenty million, eight hundred forty-one thousand, two hundred eighty".