122906 has 8 divisors (see below), whose sum is σ = 210720. Its totient is φ = 52668.

The previous prime is 122891. The next prime is 122921. The reversal of 122906 is 609221.

122906 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (122891) and next prime (122921).

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

It is an unprimeable number.

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, 4376 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (26340).

2¹²²⁹⁰⁶ is an apocalyptic number.

122906 is a deficient number, since it is larger than the sum of its proper divisors (87814).

122906 is an equidigital number, since it uses as much as digits as its factorization.

122906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 122906 is about 350.5795202233. The cubic root of 122906 is about 49.7192262736.

The spelling of 122906 in words is "one hundred twenty-two thousand, nine hundred six".