1266288 has 80 divisors (see below), whose sum is σ = 3618816. Its totient is φ = 380160.

The previous prime is 1266281. The next prime is 1266301. The reversal of 1266288 is 8826621.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (9216) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266281) 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, 34206 + ... + 34242.

2^1266288 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 1266288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809408).

1266288 is an abundant number, since it is smaller than the sum of its proper divisors (2352528).

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

1266288 is a wasteful number, since it uses less digits than its factorization.

1266288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 96 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 1266288 is about 1125.2946280864. The cubic root of 1266288 is about 108.1876026035.

The spelling of 1266288 in words is "one million, two hundred sixty-six thousand, two hundred eighty-eight".