1001288 has 16 divisors (see below), whose sum is σ = 1918080. Its totient is φ = 489808.

The previous prime is 1001279. The next prime is 1001291. The reversal of 1001288 is 8821001.

1001288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (119880).

2^1001288 is an apocalyptic number.

It is an amenable number.

1001288 is a deficient number, since it is larger than the sum of its proper divisors (916792).

1001288 is a wasteful number, since it uses less digits than its factorization.

1001288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1001288 is about 1000.6437927654. The cubic root of 1001288 is about 100.0429149138.

Adding to 1001288 its reverse (8821001), we get a palindrome (9822289).

The spelling of 1001288 in words is "one million, one thousand, two hundred eighty-eight".