19122 has 8 divisors (see below), whose sum is σ = 38256. Its totient is φ = 6372.

The previous prime is 19121. The next prime is 19139. The reversal of 19122 is 22191.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

19122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (19121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (4782).

2¹⁹¹²² is an apocalyptic number.

19122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19128).

19122 is a wasteful number, since it uses less digits than its factorization.

19122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192.

The product of its digits is 36, while the sum is 15.

The square root of 19122 is about 138.2823199111. The cubic root of 19122 is about 26.7410078373.

It can be divided in two parts, 19 and 122, that added together give a palindrome (141).

The spelling of 19122 in words is "nineteen thousand, one hundred twenty-two".