1133888 has 28 divisors (see below), whose sum is σ = 2572512. Its totient is φ = 485760.
The previous prime is 1133861. The next prime is 1133893. The reversal of 1133888 is 8883311.
It is a tau number, because it is divible by the number of its divisors (28).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an Ulam number.
It is a plaindrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818 + ... + 1713.
21133888 is an apocalyptic number.
It is an amenable number.
1133888 is an abundant number, since it is smaller than the sum of its proper divisors (1438624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1133888 is an equidigital number, since it uses as much as digits as its factorization.
1133888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2550 (or 2540 counting only the distinct ones).
The product of its digits is 4608, while the sum is 32.
The square root of 1133888 is about 1064.8417722836. The cubic root of 1133888 is about 104.2773661208.
The spelling of 1133888 in words is "one million, one hundred thirty-three thousand, eight hundred eighty-eight".
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