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BaseRepresentation
bin11011001001100101001001
3111101120212101
4123021211021
53310222004
6412313401
7114331435
oct33114511
914346771
107117129
114021228
122472861
131622626
14d339c5
15958ba4
hex6c9949

7117129 has 2 divisors, whose sum is σ = 7117130. Its totient is φ = 7117128.

The previous prime is 7117109. The next prime is 7117133. The reversal of 7117129 is 9217117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 121104 = 2645^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 7117129 - 215 = 7084361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7117097 and 7117106.

It is not a weakly prime, because it can be changed into another prime (7117109) 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, 3558564 + 3558565.

It is an arithmetic number, because the mean of its divisors is an integer number (3558565).

Almost surely, 27117129 is an apocalyptic number.

It is an amenable number.

7117129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7117129 is an equidigital number, since it uses as much as digits as its factorization.

7117129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 28.

The square root of 7117129 is about 2667.7947822125. The cubic root of 7117129 is about 192.3541730232.

The spelling of 7117129 in words is "seven million, one hundred seventeen thousand, one hundred twenty-nine".