122188 has 12 divisors (see below), whose sum is σ = 233352. Its totient is φ = 55520.

The previous prime is 122173. The next prime is 122201. The reversal of 122188 is 881221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (19446).

2¹²²¹⁸⁸ is an apocalyptic number.

It is an amenable number.

122188 is a deficient number, since it is larger than the sum of its proper divisors (111164).

122188 is a wasteful number, since it uses less digits than its factorization.

122188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2790 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

The square root of 122188 is about 349.5540015505. The cubic root of 122188 is about 49.6222194933.

The spelling of 122188 in words is "one hundred twenty-two thousand, one hundred eighty-eight".