1301566080 has 128 divisors (see below), whose sum is σ = 4201747200. Its totient is φ = 342650880.

The previous prime is 1301566069. The next prime is 1301566099. The reversal of 1301566080 is 806651031.

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 (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147390 + ... + 155970.

It is an arithmetic number, because the mean of its divisors is an integer number (32826150).

Almost surely, 2^1301566080 is an apocalyptic number.

1301566080 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 1301566080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100873600).

1301566080 is an abundant number, since it is smaller than the sum of its proper divisors (2900181120).

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

1301566080 is an equidigital number, since it uses as much as digits as its factorization.

1301566080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8682 (or 8670 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1301566080 is about 36077.2238399797. The cubic root of 1301566080 is about 1091.8309657989.

The spelling of 1301566080 in words is "one billion, three hundred one million, five hundred sixty-six thousand, eighty".