1275628080 has 160 divisors (see below), whose sum is σ = 4264727040. Its totient is φ = 314357760.

The previous prime is 1275628043. The next prime is 1275628097. The reversal of 1275628080 is 808265721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183549 + ... + 190371.

It is an arithmetic number, because the mean of its divisors is an integer number (26654544).

Almost surely, 2^1275628080 is an apocalyptic number.

1275628080 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 1275628080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132363520).

1275628080 is an abundant number, since it is smaller than the sum of its proper divisors (2989098960).

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

1275628080 is a wasteful number, since it uses less digits than its factorization.

1275628080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899 (or 6893 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1275628080 is about 35715.9359390175. The cubic root of 1275628080 is about 1084.5294681550.

The spelling of 1275628080 in words is "one billion, two hundred seventy-five million, six hundred twenty-eight thousand, eighty".