Search a number
-
+
1066687 is a prime number
BaseRepresentation
bin100000100011010111111
32000012012221
410010122333
5233113222
634510211
712031606
oct4043277
92005187
101066687
11669466
12435367
132b469b
141daa3d
151610c7
hex1046bf

1066687 has 2 divisors, whose sum is σ = 1066688. Its totient is φ = 1066686.

The previous prime is 1066669. The next prime is 1066693. The reversal of 1066687 is 7866601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1066687 is a prime.

It is a super-2 number, since 2×10666872 = 2275642311938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533343 + 533344.

It is an arithmetic number, because the mean of its divisors is an integer number (533344).

21066687 is an apocalyptic number.

1066687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066687 is an equidigital number, since it uses as much as digits as its factorization.

1066687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1066687 is about 1032.8054027744. The cubic root of 1066687 is about 102.1752402161.

The spelling of 1066687 in words is "one million, sixty-six thousand, six hundred eighty-seven".