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1120081 is a prime number
BaseRepresentation
bin100010001011101010001
32002220110111
410101131101
5241320311
640001321
712343354
oct4213521
92086414
101120081
116a5596
12460241
13302a91
1421229b
15171d21
hex111751

1120081 has 2 divisors, whose sum is σ = 1120082. Its totient is φ = 1120080.

The previous prime is 1120073. The next prime is 1120087. The reversal of 1120081 is 1800211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 7056 = 1055^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120081 - 23 = 1120073 is a prime.

It is a super-2 number, since 2×11200812 = 2509162893122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1120087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560040 + 560041.

It is an arithmetic number, because the mean of its divisors is an integer number (560041).

21120081 is an apocalyptic number.

It is an amenable number.

1120081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120081 is an equidigital number, since it uses as much as digits as its factorization.

1120081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1120081 is about 1058.3387926368. The cubic root of 1120081 is about 103.8523855006.

Adding to 1120081 its reverse (1800211), we get a palindrome (2920292).

The spelling of 1120081 in words is "one million, one hundred twenty thousand, eighty-one".