1073201280 has 128 divisors (see below), whose sum is σ = 3513516480. Its totient is φ = 278433792.

The previous prime is 1073201273. The next prime is 1073201299. The reversal of 1073201280 is 821023701.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1073201280.

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, 63487 + ... + 78593.

Almost surely, 2^1073201280 is an apocalyptic number.

1073201280 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 1073201280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756758240).

1073201280 is an abundant number, since it is smaller than the sum of its proper divisors (2440315200).

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

1073201280 is a wasteful number, since it uses less digits than its factorization.

1073201280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166 (or 15154 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1073201280 is about 32759.7509148040. The cubic root of 1073201280 is about 1023.8281368470.

Adding to 1073201280 its reverse (821023701), we get a palindrome (1894224981).

The spelling of 1073201280 in words is "one billion, seventy-three million, two hundred one thousand, two hundred eighty".