122199 has 24 divisors (see below), whose sum is σ = 212352. Its totient is φ = 60720.

The previous prime is 122173. The next prime is 122201. The reversal of 122199 is 991221.

It is not a de Polignac number, because 122199 - 2⁵ = 122167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5302 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (8848).

2¹²²¹⁹⁹ is an apocalyptic number.

122199 is a deficient number, since it is larger than the sum of its proper divisors (90153).

122199 is a wasteful number, since it uses less digits than its factorization.

122199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 44 counting only the distinct ones).

The product of its digits is 324, while the sum is 24.

The square root of 122199 is about 349.5697355321. The cubic root of 122199 is about 49.6237085321.

It can be divided in two parts, 12 and 2199, that added together give a triangular number (2211 = T₆₆).

The spelling of 122199 in words is "one hundred twenty-two thousand, one hundred ninety-nine".