1081365 has 8 divisors (see below), whose sum is σ = 1730208. Its totient is φ = 576720.
The previous prime is 1081361. The next prime is 1081369. The reversal of 1081365 is 5631801.
It is an interprime number because it is at equal distance from previous prime (1081361) and next prime (1081369).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1081365 - 22 = 1081361 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36031 + ... + 36060.
It is an arithmetic number, because the mean of its divisors is an integer number (216276).
21081365 is an apocalyptic number.
1081365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1081365 is a deficient number, since it is larger than the sum of its proper divisors (648843).
1081365 is an equidigital number, since it uses as much as digits as its factorization.
1081365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72099.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 1081365 is about 1039.8870130932. The cubic root of 1081365 is about 102.6417629951.
It can be divided in two parts, 10813 and 65, that added together give a triangular number (10878 = T147).
The spelling of 1081365 in words is "one million, eighty-one thousand, three hundred sixty-five".
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