1280575130 has 32 divisors (see below), whose sum is σ = 2325621888. Its totient is φ = 507672000.

The previous prime is 1280575111. The next prime is 1280575159. The reversal of 1280575130 is 315750821.

It is a Curzon number.

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, 997469 + ... + 998751.

It is an arithmetic number, because the mean of its divisors is an integer number (72675684).

Almost surely, 2^1280575130 is an apocalyptic number.

1280575130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1280575130 is a deficient number, since it is larger than the sum of its proper divisors (1045046758).

1280575130 is a wasteful number, since it uses less digits than its factorization.

1280575130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1280575130 is about 35785.1244234249. The cubic root of 1280575130 is about 1085.9296413509.

The spelling of 1280575130 in words is "one billion, two hundred eighty million, five hundred seventy-five thousand, one hundred thirty".