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BaseRepresentation
bin10000101101
31110121
4100231
513234
64541
73055
oct2055
91417
101069
11892
12751
13643
14565
154b4
hex42d

1069 has 2 divisors, whose sum is σ = 1070. Its totient is φ = 1068.

The previous prime is 1063. The next prime is 1087. The reversal of 1069 is 9601.

1069 is nontrivially palindromic in base 14 and base 15.

1069 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900 + 169 = 30^2 + 13^2 .

It is an emirp because it is prime and its reverse (9601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1069 - 23 = 1061 is a prime.

It is a super-2 number, since 2×10692 = 2285522, which contains 22 as substring.

1069 is an undulating number in base 14 and base 15.

It is a nialpdrome in base 12 and base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061) 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 as a sum of consecutive naturals, namely, 534 + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (535).

It is an amenable number.

1069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069 is an equidigital number, since it uses as much as digits as its factorization.

1069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1069 is about 32.6955654485. The cubic root of 1069 is about 10.2249039033.

The spelling of 1069 in words is "one thousand, sixty-nine".