122190 has 16 divisors (see below), whose sum is σ = 293328. Its totient is φ = 32576.

The previous prime is 122173. The next prime is 122201. The reversal of 122190 is 91221.

It is a happy number.

It is a super-2 number, since 2×122190² = 29860792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (18333).

2¹²²¹⁹⁰ is an apocalyptic number.

122190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122190 is an abundant number, since it is smaller than the sum of its proper divisors (171138).

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

122190 is a wasteful number, since it uses less digits than its factorization.

122190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

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

The square root of 122190 is about 349.5568623271. The cubic root of 122190 is about 49.6224902342.

The spelling of 122190 in words is "one hundred twenty-two thousand, one hundred ninety".