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1712129 is a prime number
BaseRepresentation
bin110100010000000000001
310012222121012
412202000001
5414242004
6100410305
720360426
oct6420001
93188535
101712129
11a6a391
126a6995
1347c3c3
14327d4d
1523c46e
hex1a2001

1712129 has 2 divisors, whose sum is σ = 1712130. Its totient is φ = 1712128.

The previous prime is 1712077. The next prime is 1712141. The reversal of 1712129 is 9212171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 223729 = 1220^2 + 473^2 .

It is an emirp because it is prime and its reverse (9212171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1712129 - 212 = 1708033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1712149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856064 + 856065.

It is an arithmetic number, because the mean of its divisors is an integer number (856065).

It is a Proth number, since it is equal to 209 ⋅ 213 + 1 and 209 < 213.

21712129 is an apocalyptic number.

It is an amenable number.

1712129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712129 is an equidigital number, since it uses as much as digits as its factorization.

1712129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 23.

The square root of 1712129 is about 1308.4834733385. The cubic root of 1712129 is about 119.6314852063.

The spelling of 1712129 in words is "one million, seven hundred twelve thousand, one hundred twenty-nine".