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806129 is a prime number
BaseRepresentation
bin11000100110011110001
31111221210122
43010303301
5201244004
625140025
76565142
oct3046361
91457718
10806129
11500725
1232a615
13222bcc
1416dac9
1510dcbe
hexc4cf1

806129 has 2 divisors, whose sum is σ = 806130. Its totient is φ = 806128.

The previous prime is 806111. The next prime is 806137. The reversal of 806129 is 921608.

806129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719104 + 87025 = 848^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 806129 - 28 = 805873 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 806098 and 806107.

It is not a weakly prime, because it can be changed into another prime (806159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403064 + 403065.

It is an arithmetic number, because the mean of its divisors is an integer number (403065).

2806129 is an apocalyptic number.

It is an amenable number.

806129 is a deficient number, since it is larger than the sum of its proper divisors (1).

806129 is an equidigital number, since it uses as much as digits as its factorization.

806129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 806129 is about 897.8468689036. The cubic root of 806129 is about 93.0682429703.

The spelling of 806129 in words is "eight hundred six thousand, one hundred twenty-nine".