122079 has 4 divisors (see below), whose sum is σ = 162776. Its totient is φ = 81384.

The previous prime is 122069. The next prime is 122081. The reversal of 122079 is 970221.

It is a happy number.

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

It is not a de Polignac number, because 122079 - 2⁷ = 121951 is a prime.

It is a super-3 number, since 3×122079³ = 5458133378097117, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

122079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122029) 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, 20344 + ... + 20349.

It is an arithmetic number, because the mean of its divisors is an integer number (40694).

2¹²²⁰⁷⁹ is an apocalyptic number.

122079 is a deficient number, since it is larger than the sum of its proper divisors (40697).

122079 is an equidigital number, since it uses as much as digits as its factorization.

122079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40696.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 122079 is about 349.3980538011. The cubic root of 122079 is about 49.6074596394.

The spelling of 122079 in words is "one hundred twenty-two thousand, seventy-nine".