1287088 has 40 divisors (see below), whose sum is σ = 2785536. Its totient is φ = 571200.

The previous prime is 1287071. The next prime is 1287101. The reversal of 1287088 is 8807821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12445 + ... + 12547.

2^1287088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1287088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392768).

1287088 is an abundant number, since it is smaller than the sum of its proper divisors (1498448).

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

1287088 is a wasteful number, since it uses less digits than its factorization.

1287088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 1287088 is about 1134.4990083733. The cubic root of 1287088 is about 108.7767503666.

The spelling of 1287088 in words is "one million, two hundred eighty-seven thousand, eighty-eight".