1275704089 has 27 divisors (see below), whose sum is σ = 1497395263. Its totient is φ = 1085796800.

The previous prime is 1275704083. The next prime is 1275704119. The reversal of 1275704089 is 9804075721.

The square root of 1275704089 is 35717.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 993195225 + 282508864 = 31515^2 + 16808^2 .

It is not a de Polignac number, because 1275704089 - 2³ = 1275704081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275704081) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 6678984 + ... + 6679174.

Almost surely, 2^1275704089 is an apocalyptic number.

1275704089 is the 35717-th square number.

1275704089 is the 17859-th centered octagonal number.

It is an amenable number.

1275704089 is a deficient number, since it is larger than the sum of its proper divisors (221691174).

1275704089 is an equidigital number, since it uses as much as digits as its factorization.

1275704089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The cubic root of 1275704089 is about 1084.5510084886.

The spelling of 1275704089 in words is "one billion, two hundred seventy-five million, seven hundred four thousand, eighty-nine".