The Rigveda, the oldest of the four Vedas, contains exactly 1,028 hymns (suktas) organized into 10 books (mandalas). These hymns consist of over 10,000 verses (mantras) dedicated to various deities, primarily Agni, Indra, and other early Hindu gods. The text is composed in Vedic Sanskrit and dates back to roughly 1500-1200 BCE, making it one of the world's oldest religious texts still in existence.