122671 has 4 divisors (see below), whose sum is σ = 124744. Its totient is φ = 120600.

The previous prime is 122663. The next prime is 122693. The reversal of 122671 is 176221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122671 - 2³ = 122663 is a prime.

It is a Duffinian number.

122671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (31186).

2¹²²⁶⁷¹ is an apocalyptic number.

122671 is a deficient number, since it is larger than the sum of its proper divisors (2073).

122671 is an equidigital number, since it uses as much as digits as its factorization.

122671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its digits is 168, while the sum is 19.

The square root of 122671 is about 350.2442005230. The cubic root of 122671 is about 49.6875178329.

Adding to 122671 its reverse (176221), we get a palindrome (298892).

The spelling of 122671 in words is "one hundred twenty-two thousand, six hundred seventy-one".