1085801 has 2 divisors, whose sum is σ = 1085802. Its totient is φ = 1085800.
The previous prime is 1085779. The next prime is 1085809.
1085801 is nontrivially palindromic in base 10.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 952576 + 133225 = 976^2 + 365^2 .
It is a palprime.
It is a cyclic number.
It is not a de Polignac number, because 1085801 - 26 = 1085737 is a prime.
It is a plaindrome in base 15.
It is not a weakly prime, because it can be changed into another prime (1085809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542900 + 542901.
It is an arithmetic number, because the mean of its divisors is an integer number (542901).
21085801 is an apocalyptic number.
It is an amenable number.
1085801 is a deficient number, since it is larger than the sum of its proper divisors (1).
1085801 is an equidigital number, since it uses as much as digits as its factorization.
1085801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 320, while the sum is 23.
The square root of 1085801 is about 1042.0177541674. The cubic root of 1085801 is about 102.7819246332.
The spelling of 1085801 in words is "one million, eighty-five thousand, eight hundred one".
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