ललितोपाख्याने मन्त्रतारतम्यकथनम्
Hierarchy of Mantras in the Lalitopākhyāna
चतुर्लक्षजपे जाते क्षुभ्यन्ति फणिकन्यकाः / पञ्चलक्षजपे जाते सर्वाः पातालयोषितः
caturlakṣajape jāte kṣubhyanti phaṇikanyakāḥ / pañcalakṣajape jāte sarvāḥ pātālayoṣitaḥ
When the japa reaches four lakhs (400,000), the Nāga maidens are stirred; when it reaches five lakhs (500,000), all the women of Pātāla are stirred.