Help with my new z...???

I just bought this phone off Amazon. It is unlocked. I'm running 5.0 stock. I've always carried a Samsung note and I'm fully aware of the rooting and roming etc.. Since this phone was bought out right will the bootloader be unlocked? Also I don't have a pc so I was hoping towelroot. But like I say,I'm new to Sony. Kingroot?? Also is there a way to check if bootloader is unlocked

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