122321851 has 6 divisors (see below), whose sum is σ = 129940820. Its totient is φ = 115126176.

The previous prime is 122321813. The next prime is 122321861. The reversal of 122321851 is 158123221.

It is not a de Polignac number, because 122321851 - 2¹⁷ = 122190779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122321861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211341 + ... + 211918.

Almost surely, 2^122321851 is an apocalyptic number.

122321851 is a deficient number, since it is larger than the sum of its proper divisors (7618969).

122321851 is an equidigital number, since it uses as much as digits as its factorization.

122321851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423293 (or 423276 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 122321851 is about 11059.9209310013. The cubic root of 122321851 is about 496.4033245540.

The spelling of 122321851 in words is "one hundred twenty-two million, three hundred twenty-one thousand, eight hundred fifty-one".