1288132 has 12 divisors (see below), whose sum is σ = 2264976. Its totient is φ = 641000.
The previous prime is 1288117. The next prime is 1288163. The reversal of 1288132 is 2318821.
It is a junction number, because it is equal to n+sod(n) for n = 1288097 and 1288106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363 + ... + 1645.
It is an arithmetic number, because the mean of its divisors is an integer number (188748).
21288132 is an apocalyptic number.
It is an amenable number.
1288132 is a deficient number, since it is larger than the sum of its proper divisors (976844).
1288132 is a wasteful number, since it uses less digits than its factorization.
1288132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).
The product of its digits is 768, while the sum is 25.
The square root of 1288132 is about 1134.9590300976. The cubic root of 1288132 is about 108.8061532348.
The spelling of 1288132 in words is "one million, two hundred eighty-eight thousand, one hundred thirty-two".
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