1082705 has 8 divisors (see below), whose sum is σ = 1399272. Its totient is φ = 799488.
The previous prime is 1082699. The next prime is 1082707. The reversal of 1082705 is 5072801.
It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 844561 = 488^2 + 919^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1082705 - 210 = 1081681 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1082707) 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 7 ways as a sum of consecutive naturals, for example, 8264 + ... + 8393.
It is an arithmetic number, because the mean of its divisors is an integer number (174909).
21082705 is an apocalyptic number.
It is an amenable number.
1082705 is a deficient number, since it is larger than the sum of its proper divisors (316567).
1082705 is a wasteful number, since it uses less digits than its factorization.
1082705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16675.
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 1082705 is about 1040.5311143834. The cubic root of 1082705 is about 102.6841425153.
The spelling of 1082705 in words is "one million, eighty-two thousand, seven hundred five".
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