1288528275 has 12 divisors (see below), whose sum is σ = 2130366872. Its totient is φ = 687215040.

The previous prime is 1288528273. The next prime is 1288528289. The reversal of 1288528275 is 5728258821.

It is not a de Polignac number, because 1288528275 - 2¹ = 1288528273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288528273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8590114 + ... + 8590263.

Almost surely, 2^1288528275 is an apocalyptic number.

1288528275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1288528275 is a deficient number, since it is larger than the sum of its proper divisors (841838597).

1288528275 is a wasteful number, since it uses less digits than its factorization.

1288528275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180390 (or 17180385 counting only the distinct ones).

The product of its digits is 716800, while the sum is 48.

The square root of 1288528275 is about 35896.0760390325. The cubic root of 1288528275 is about 1088.1730963220.

The spelling of 1288528275 in words is "one billion, two hundred eighty-eight million, five hundred twenty-eight thousand, two hundred seventy-five".