1288760 has 64 divisors (see below), whose sum is σ = 3304800. Its totient is φ = 448000.

The previous prime is 1288733. The next prime is 1288769. The reversal of 1288760 is 678821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12710 + ... + 12810.

2^1288760 is an apocalyptic number.

1288760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1288760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652400).

1288760 is an abundant number, since it is smaller than the sum of its proper divisors (2016040).

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

1288760 is a wasteful number, since it uses less digits than its factorization.

1288760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1288760 is about 1135.2356583547. The cubic root of 1288760 is about 108.8238323657.

It can be divided in two parts, 1288 and 760, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1288760 in words is "one million, two hundred eighty-eight thousand, seven hundred sixty".