122013121 has 12 divisors (see below), whose sum is σ = 128559600. Its totient is φ = 115761968.

The previous prime is 122013119. The next prime is 122013163. The reversal of 122013121 is 121310221.

It is not a de Polignac number, because 122013121 - 2¹ = 122013119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122013821) 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 11 ways as a sum of consecutive naturals, for example, 48390 + ... + 50848.

It is an arithmetic number, because the mean of its divisors is an integer number (10713300).

Almost surely, 2^122013121 is an apocalyptic number.

It is an amenable number.

122013121 is a deficient number, since it is larger than the sum of its proper divisors (6546479).

122013121 is an equidigital number, since it uses as much as digits as its factorization.

122013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 122013121 is about 11045.9549609801. The cubic root of 122013121 is about 495.9853460486.

Adding to 122013121 its reverse (121310221), we get a palindrome (243323342).

It can be divided in two parts, 1220 and 13121, that added together give a palindrome (14341).

The spelling of 122013121 in words is "one hundred twenty-two million, thirteen thousand, one hundred twenty-one".