1087061 has 2 divisors, whose sum is σ = 1087062. Its totient is φ = 1087060.
The previous prime is 1087027. The next prime is 1087091. The reversal of 1087061 is 1607801.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 688900 + 398161 = 830^2 + 631^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1087061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1087001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543530 + 543531.
It is an arithmetic number, because the mean of its divisors is an integer number (543531).
21087061 is an apocalyptic number.
It is an amenable number.
1087061 is a deficient number, since it is larger than the sum of its proper divisors (1).
1087061 is an equidigital number, since it uses as much as digits as its factorization.
1087061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 1087061 is about 1042.6221750951. The cubic root of 1087061 is about 102.8216664653.
The spelling of 1087061 in words is "one million, eighty-seven thousand, sixty-one".
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