123114440121 has 4 divisors (see below), whose sum is σ = 164152586832. Its totient is φ = 82076293412.

The previous prime is 123114440107. The next prime is 123114440177. The reversal of 123114440121 is 121044411321.

It is a happy number.

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 123114440121 - 2¹⁷ = 123114309049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123114440091 and 123114440100.

It is not an unprimeable number, because it can be changed into a prime (123114440101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20519073351 + ... + 20519073356.

It is an arithmetic number, because the mean of its divisors is an integer number (41038146708).

Almost surely, 2^123114440121 is an apocalyptic number.

It is an amenable number.

123114440121 is a deficient number, since it is larger than the sum of its proper divisors (41038146711).

123114440121 is an equidigital number, since it uses as much as digits as its factorization.

123114440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41038146710.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 123114440121 its reverse (121044411321), we get a palindrome (244158851442).

The spelling of 123114440121 in words is "one hundred twenty-three billion, one hundred fourteen million, four hundred forty thousand, one hundred twenty-one".