1275328834 has 16 divisors (see below), whose sum is σ = 2088370872. Its totient is φ = 580549248.

The previous prime is 1275328823. The next prime is 1275328841. The reversal of 1275328834 is 4388235721.

It can be written as a sum of positive squares in 4 ways, for example, as 1211248809 + 64080025 = 34803^2 + 8005^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334069 + ... + 337864.

Almost surely, 2^1275328834 is an apocalyptic number.

1275328834 is a deficient number, since it is larger than the sum of its proper divisors (813042038).

1275328834 is a wasteful number, since it uses less digits than its factorization.

1275328834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672021.

The product of its digits is 322560, while the sum is 43.

The square root of 1275328834 is about 35711.7464428723. The cubic root of 1275328834 is about 1084.4446559512. Note that the first 3 decimals are identical.

The spelling of 1275328834 in words is "one billion, two hundred seventy-five million, three hundred twenty-eight thousand, eight hundred thirty-four".