Index.is_monotonic_increasing return if the index is monotonic increasing (only equal or increasing)

Index.memory_usage(deep=False)

Index.sort_values(return_indexer=False, ascending=True)

Index.is_categorical()

Index.duplicated(*args, **kwargs)

Index.nunique(dropna=True)

Index.nbytes return the number of bytes in the underlying data

Index.is_monotonic_decreasing return if the index is monotonic decreasing (only equal or decreasing)

Index.value_counts(normalize=False, sort=True, ascending=False, bins=None, dropna=True)

Index.is_integer()