1288471875 has 24 divisors (see below), whose sum is σ = 2147331312. Its totient is φ = 687180000.

The previous prime is 1288471843. The next prime is 1288471883. The reversal of 1288471875 is 5781748821.

It is not a de Polignac number, because 1288471875 - 2⁵ = 1288471843 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 59344 + ... + 78093.

It is an arithmetic number, because the mean of its divisors is an integer number (89472138).

Almost surely, 2^1288471875 is an apocalyptic number.

1288471875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1288471875 is a deficient number, since it is larger than the sum of its proper divisors (858859437).

1288471875 is an frugal number, since it uses more digits than its factorization.

1288471875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137465 (or 137445 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 51.

The square root of 1288471875 is about 35895.2904292471. The cubic root of 1288471875 is about 1088.1572193303.

The spelling of 1288471875 in words is "one billion, two hundred eighty-eight million, four hundred seventy-one thousand, eight hundred seventy-five".