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875129 is a prime number
BaseRepresentation
bin11010101101001111001
31122110110012
43111221321
5211001004
630431305
710303253
oct3255171
91573405
10875129
11548552
12362535
13248438
1418acd3
1512446e
hexd5a79

875129 has 2 divisors, whose sum is σ = 875130. Its totient is φ = 875128.

The previous prime is 875117. The next prime is 875141. The reversal of 875129 is 921578.

It is a balanced prime because it is at equal distance from previous prime (875117) and next prime (875141).

It can be written as a sum of positive squares in only one way, i.e., 719104 + 156025 = 848^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 875129 - 24 = 875113 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 875095 and 875104.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 875129.

It is not a weakly prime, because it can be changed into another prime (875429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437564 + 437565.

It is an arithmetic number, because the mean of its divisors is an integer number (437565).

2875129 is an apocalyptic number.

It is an amenable number.

875129 is a deficient number, since it is larger than the sum of its proper divisors (1).

875129 is an equidigital number, since it uses as much as digits as its factorization.

875129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 875129 is about 935.4832975527. The cubic root of 875129 is about 95.6512592528.

The spelling of 875129 in words is "eight hundred seventy-five thousand, one hundred twenty-nine".