one hundred twenty-five vs cxxv

one hundred twenty-five and cxxv both are adjectives.

Word	Noun	Adjective	Verb	Adverb
one hundred twenty-five	No	Yes	No	No
cxxv	No	Yes	No	No

As adjectives, one hundred twenty-five and cxxv are synonyms defined as:

one hundred twenty-five and cxxv: being five more than one hundred twenty

Other synonyms of one hundred twenty-five include 125.

one hundred twenty-five (adjective)	cxxv (adjective)
being five more than one hundred twenty	being five more than one hundred twenty