122123121 has 8 divisors (see below), whose sum is σ = 172409184. Its totient is φ = 76626240.

The previous prime is 122123119. The next prime is 122123137. The reversal of 122123121 is 121321221.

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

It is not a de Polignac number, because 122123121 - 2¹ = 122123119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122123121.

It is not an unprimeable number, because it can be changed into a prime (122123101) 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, 1197235 + ... + 1197336.

It is an arithmetic number, because the mean of its divisors is an integer number (21551148).

Almost surely, 2^122123121 is an apocalyptic number.

It is an amenable number.

122123121 is a deficient number, since it is larger than the sum of its proper divisors (50286063).

122123121 is a wasteful number, since it uses less digits than its factorization.

122123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394591.

The product of its digits is 48, while the sum is 15.

The square root of 122123121 is about 11050.9330375313. The cubic root of 122123121 is about 496.1343518830.

Adding to 122123121 its reverse (121321221), we get a palindrome (243444342).

It can be divided in two parts, 1221 and 23121, that added together give a palindrome (24342).

The spelling of 122123121 in words is "one hundred twenty-two million, one hundred twenty-three thousand, one hundred twenty-one".