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1081711 is a prime number
BaseRepresentation
bin100001000000101101111
32000221211101
410020011233
5234103321
635103531
712123451
oct4100557
92027741
101081711
11679784
12441ba7
132bb487
142022d1
15165791
hex10816f

1081711 has 2 divisors, whose sum is σ = 1081712. Its totient is φ = 1081710.

The previous prime is 1081709. The next prime is 1081721. The reversal of 1081711 is 1171801.

It is a weak prime.

It is an emirp because it is prime and its reverse (1171801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081711 - 21 = 1081709 is a prime.

Together with 1081709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540855 + 540856.

It is an arithmetic number, because the mean of its divisors is an integer number (540856).

21081711 is an apocalyptic number.

1081711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081711 is an equidigital number, since it uses as much as digits as its factorization.

1081711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 1081711 is about 1040.0533640155. The cubic root of 1081711 is about 102.6527091181.

The spelling of 1081711 in words is "one million, eighty-one thousand, seven hundred eleven".