123132122121 has 8 divisors (see below), whose sum is σ = 171314256960. Its totient is φ = 78519034352.

The previous prime is 123132122093. The next prime is 123132122123. The reversal of 123132122121 is 121221231321.

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

It is a cyclic number.

It is not a de Polignac number, because 123132122121 - 2¹¹ = 123132120073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123132122123) 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, 892261686 + ... + 892261823.

It is an arithmetic number, because the mean of its divisors is an integer number (21414282120).

Almost surely, 2^123132122121 is an apocalyptic number.

It is an amenable number.

123132122121 is a deficient number, since it is larger than the sum of its proper divisors (48182134839).

123132122121 is a wasteful number, since it uses less digits than its factorization.

123132122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784523535.

The product of its digits is 288, while the sum is 21.

Adding to 123132122121 its reverse (121221231321), we get a palindrome (244353353442).

The spelling of 123132122121 in words is "one hundred twenty-three billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".