122103121 has 4 divisors (see below), whose sum is σ = 139546432. Its totient is φ = 104659812.

The previous prime is 122103109. The next prime is 122103127. The reversal of 122103121 is 121301221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122103121 - 2²¹ = 120005969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122103127) 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 3 ways as a sum of consecutive naturals, for example, 8721645 + ... + 8721658.

It is an arithmetic number, because the mean of its divisors is an integer number (34886608).

Almost surely, 2^122103121 is an apocalyptic number.

It is an amenable number.

122103121 is a deficient number, since it is larger than the sum of its proper divisors (17443311).

122103121 is an equidigital number, since it uses as much as digits as its factorization.

122103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443310.

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

The square root of 122103121 is about 11050.0280995118. The cubic root of 122103121 is about 496.1072665703.

Adding to 122103121 its reverse (121301221), we get a palindrome (243404342).

The spelling of 122103121 in words is "one hundred twenty-two million, one hundred three thousand, one hundred twenty-one".