122515 has 8 divisors (see below), whose sum is σ = 149040. Its totient is φ = 96672.

The previous prime is 122509. The next prime is 122527. The reversal of 122515 is 515221.

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

It is a cyclic number.

It is not a de Polignac number, because 122515 - 2⁷ = 122387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (18630).

2¹²²⁵¹⁵ is an apocalyptic number.

122515 is a deficient number, since it is larger than the sum of its proper divisors (26525).

122515 is a wasteful number, since it uses less digits than its factorization.

122515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 100, while the sum is 16.

The square root of 122515 is about 350.0214279155. The cubic root of 122515 is about 49.6664464554. Note that the first 3 decimals are identical.

Adding to 122515 its reverse (515221), we get a palindrome (637736).

The spelling of 122515 in words is "one hundred twenty-two thousand, five hundred fifteen".