1288472884 has 12 divisors (see below), whose sum is σ = 2264762304. Its totient is φ = 641397944.

The previous prime is 1288472879. The next prime is 1288472893. The reversal of 1288472884 is 4882748821.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 708604 + ... + 710419.

It is an arithmetic number, because the mean of its divisors is an integer number (188730192).

Almost surely, 2^1288472884 is an apocalyptic number.

It is an amenable number.

1288472884 is a deficient number, since it is larger than the sum of its proper divisors (976289420).

1288472884 is a wasteful number, since it uses less digits than its factorization.

1288472884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419254 (or 1419252 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 52.

The square root of 1288472884 is about 35895.3044840129. The cubic root of 1288472884 is about 1088.1575033749.

The spelling of 1288472884 in words is "one billion, two hundred eighty-eight million, four hundred seventy-two thousand, eight hundred eighty-four".