1081683 has 12 divisors (see below), whose sum is σ = 1613248. Its totient is φ = 697680.
The previous prime is 1081681. The next prime is 1081687. The reversal of 1081683 is 3861801.
It is not a de Polignac number, because 1081683 - 21 = 1081681 is a prime.
It is a super-2 number, since 2×10816832 = 2340076224978, which contains 22 as substring.
It is a Duffinian number.
1081683 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1081681) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 1660 + ... + 2217.
21081683 is an apocalyptic number.
1081683 is a deficient number, since it is larger than the sum of its proper divisors (531565).
1081683 is a wasteful number, since it uses less digits than its factorization.
1081683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3914 (or 3911 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 1081683 is about 1040.0399030806. The cubic root of 1081683 is about 102.6518233915.
It can be divided in two parts, 1081 and 683, that added together give a square (1764 = 422).
The spelling of 1081683 in words is "one million, eighty-one thousand, six hundred eighty-three".
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