123122 has 4 divisors (see below), whose sum is σ = 184686. Its totient is φ = 61560.

The previous prime is 123121. The next prime is 123127. The reversal of 123122 is 221321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221321 = 43 ⋅5147.

It can be written as a sum of positive squares in only one way, i.e., 83521 + 39601 = 289^2 + 199^2 .

It is not an unprimeable number, because it can be changed into a prime (123121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30779 + ... + 30782.

2¹²³¹²² is an apocalyptic number.

123122 is a deficient number, since it is larger than the sum of its proper divisors (61564).

123122 is an equidigital number, since it uses as much as digits as its factorization.

123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61563.

The product of its digits is 24, while the sum is 11.

The square root of 123122 is about 350.8874463414. The cubic root of 123122 is about 49.7483354240.

Adding to 123122 its reverse (221321), we get a palindrome (344443).

The spelling of 123122 in words is "one hundred twenty-three thousand, one hundred twenty-two", and thus it is an iban number.