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2120827 is a prime number
BaseRepresentation
bin1000000101110001111011
310222202020011
420011301323
51020331302
6113242351
724012112
oct10056173
93882204
102120827
111219455
128633b7
13593437
143d2c79
152bd5d7
hex205c7b

2120827 has 2 divisors, whose sum is σ = 2120828. Its totient is φ = 2120826.

The previous prime is 2120819. The next prime is 2120843. The reversal of 2120827 is 7280212.

2120827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120827 - 23 = 2120819 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120798 and 2120807.

It is not a weakly prime, because it can be changed into another prime (2120887) 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, 1060413 + 1060414.

It is an arithmetic number, because the mean of its divisors is an integer number (1060414).

22120827 is an apocalyptic number.

2120827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120827 is an equidigital number, since it uses as much as digits as its factorization.

2120827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2120827 is about 1456.3059431315. The cubic root of 2120827 is about 128.4798678509.

The spelling of 2120827 in words is "two million, one hundred twenty thousand, eight hundred twenty-seven".