122

122 = 2 x 61.

122 has a representation as a sum of two squares: 122 = 1² + 11².

The square of 122 minus each of 122's prime factors squared is a prime: 122² - 2² - 61² = 11159.

122 is the smallest sum of two non-consecutive factorials of distinct primes: 2! + 5! = 2 + 120 = 122.

122 is the number of integer partitions of 22 into distinct parts.

In the year 122, Roman Emperor Hadrian ordered the building of a 72-mile wall across northern Britain.

Source: Prime Curios!