123003110121 has 8 divisors (see below), whose sum is σ = 165104846400. Its totient is φ = 81451723632.

The previous prime is 123003110099. The next prime is 123003110129. The reversal of 123003110121 is 121011300321.

It is a happy number.

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

It is not a de Polignac number, because 123003110121 - 2⁶ = 123003110057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123003110121.

It is not an unprimeable number, because it can be changed into a prime (123003110129) 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, 137586925 + ... + 137587818.

It is an arithmetic number, because the mean of its divisors is an integer number (20638105800).

Almost surely, 2^123003110121 is an apocalyptic number.

It is an amenable number.

123003110121 is a deficient number, since it is larger than the sum of its proper divisors (42101736279).

123003110121 is a wasteful number, since it uses less digits than its factorization.

123003110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275174895.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123003110121 its reverse (121011300321), we get a palindrome (244014410442).

The spelling of 123003110121 in words is "one hundred twenty-three billion, three million, one hundred ten thousand, one hundred twenty-one".