122404121 has 8 divisors (see below), whose sum is σ = 142867200. Its totient is φ = 102685248.

The previous prime is 122404043. The next prime is 122404123. The reversal of 122404121 is 121404221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122404121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122404121.

It is not an unprimeable number, because it can be changed into a prime (122404123) 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, 185696 + ... + 186353.

It is an arithmetic number, because the mean of its divisors is an integer number (17858400).

Almost surely, 2^122404121 is an apocalyptic number.

It is an amenable number.

122404121 is a deficient number, since it is larger than the sum of its proper divisors (20463079).

122404121 is an equidigital number, since it uses as much as digits as its factorization.

122404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372103.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 122404121 is about 11063.6395910207. The cubic root of 122404121 is about 496.5145882649.

Adding to 122404121 its reverse (121404221), we get a palindrome (243808342).

It can be divided in two parts, 12240 and 4121, that added together give a palindrome (16361).

The spelling of 122404121 in words is "one hundred twenty-two million, four hundred four thousand, one hundred twenty-one".