1087056 has 30 divisors (see below), whose sum is σ = 3042650. Its totient is φ = 362304.
The previous prime is 1087027. The next prime is 1087061. The reversal of 1087056 is 6507801.
It can be written as a sum of positive squares in only one way, i.e., 1040400 + 46656 = 1020^2 + 216^2 .
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 5 ways as a sum of consecutive naturals, for example, 3631 + ... + 3918.
21087056 is an apocalyptic number.
1087056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1087056 is an abundant number, since it is smaller than the sum of its proper divisors (1955594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1087056 is a wasteful number, since it uses less digits than its factorization.
1087056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7563 (or 7554 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 1087056 is about 1042.6197772918. The cubic root of 1087056 is about 102.8215088203.
The spelling of 1087056 in words is "one million, eighty-seven thousand, fifty-six".
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