1288701228 has 54 divisors (see below), whose sum is σ = 3091352292. Its totient is φ = 417836160.

The previous prime is 1288701203. The next prime is 1288701229. The reversal of 1288701228 is 8221078821.

It is not an unprimeable number, because it can be changed into a prime (1288701229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5347188 + ... + 5347428.

Almost surely, 2^1288701228 is an apocalyptic number.

It is an amenable number.

1288701228 is an abundant number, since it is smaller than the sum of its proper divisors (1802651064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1288701228 is an equidigital number, since it uses as much as digits as its factorization.

1288701228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1288701228 is about 35898.4850376726. The cubic root of 1288701228 is about 1088.2217809041.

The spelling of 1288701228 in words is "one billion, two hundred eighty-eight million, seven hundred one thousand, two hundred twenty-eight".