122015 has 8 divisors (see below), whose sum is σ = 152928. Its totient is φ = 93280.

The previous prime is 122011. The next prime is 122021. The reversal of 122015 is 510221.

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

It is not a de Polignac number, because 122015 - 2² = 122011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121987 and 122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416 + ... + 645.

It is an arithmetic number, because the mean of its divisors is an integer number (19116).

2¹²²⁰¹⁵ is an apocalyptic number.

122015 is a deficient number, since it is larger than the sum of its proper divisors (30913).

122015 is a wasteful number, since it uses less digits than its factorization.

122015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 122015 is about 349.3064557090. The cubic root of 122015 is about 49.5987892091.

Adding to 122015 its reverse (510221), we get a palindrome (632236).

The spelling of 122015 in words is "one hundred twenty-two thousand, fifteen".