122109321 has 16 divisors (see below), whose sum is σ = 165461120. Its totient is φ = 80092800.

The previous prime is 122109313. The next prime is 122109347. The reversal of 122109321 is 123901221.

It is not a de Polignac number, because 122109321 - 2³ = 122109313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122109311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48141 + ... + 50613.

It is an arithmetic number, because the mean of its divisors is an integer number (10341320).

Almost surely, 2^122109321 is an apocalyptic number.

It is an amenable number.

122109321 is a deficient number, since it is larger than the sum of its proper divisors (43351799).

122109321 is a wasteful number, since it uses less digits than its factorization.

122109321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 122109321 is about 11050.3086382236. The cubic root of 122109321 is about 496.1156633335.

The spelling of 122109321 in words is "one hundred twenty-two million, one hundred nine thousand, three hundred twenty-one".