1080225 has 18 divisors (see below), whose sum is σ = 1935206. Its totient is φ = 576000.
The previous prime is 1080223. The next prime is 1080229. The reversal of 1080225 is 5220801.
It can be written as a sum of positive squares in 3 ways, for example, as 88209 + 992016 = 297^2 + 996^2 .
It is not a de Polignac number, because 1080225 - 21 = 1080223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1080198 and 1080207.
It is not an unprimeable number, because it can be changed into a prime (1080223) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2176 + ... + 2625.
21080225 is an apocalyptic number.
1080225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1080225 is a deficient number, since it is larger than the sum of its proper divisors (854981).
1080225 is a wasteful number, since it uses less digits than its factorization.
1080225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4817 (or 4809 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 1080225 is about 1039.3387320792. The cubic root of 1080225 is about 102.6056812057.
The spelling of 1080225 in words is "one million, eighty thousand, two hundred twenty-five".
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