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1120087 is a prime number
BaseRepresentation
bin100010001011101010111
32002220110201
410101131113
5241320322
640001331
712343363
oct4213527
92086421
101120087
116a55a1
12460247
13302a97
142122a3
15171d27
hex111757

1120087 has 2 divisors, whose sum is σ = 1120088. Its totient is φ = 1120086.

The previous prime is 1120081. The next prime is 1120109. The reversal of 1120087 is 7800211.

It is a weak prime.

It is an emirp because it is prime and its reverse (7800211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120087 - 27 = 1119959 is a prime.

It is a Chen prime.

1120087 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120081) 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, 560043 + 560044.

It is an arithmetic number, because the mean of its divisors is an integer number (560044).

21120087 is an apocalyptic number.

1120087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120087 is an equidigital number, since it uses as much as digits as its factorization.

1120087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1120087 is about 1058.3416272641. The cubic root of 1120087 is about 103.8525709376.

Adding to 1120087 its reverse (7800211), we get a palindrome (8920298).

The spelling of 1120087 in words is "one million, one hundred twenty thousand, eighty-seven".