123112141 has 4 divisors (see below), whose sum is σ = 123580512. Its totient is φ = 122643772.

The previous prime is 123112103. The next prime is 123112151. The reversal of 123112141 is 141211321.

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 123112141 - 2¹¹ = 123110093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123112151) 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, 233791 + ... + 234316.

It is an arithmetic number, because the mean of its divisors is an integer number (30895128).

Almost surely, 2^123112141 is an apocalyptic number.

It is an amenable number.

123112141 is a deficient number, since it is larger than the sum of its proper divisors (468371).

123112141 is an equidigital number, since it uses as much as digits as its factorization.

123112141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468370.

The product of its digits is 48, while the sum is 16.

The square root of 123112141 is about 11095.5910613180. The cubic root of 123112141 is about 497.4700752183.

Adding to 123112141 its reverse (141211321), we get a palindrome (264323462).

The spelling of 123112141 in words is "one hundred twenty-three million, one hundred twelve thousand, one hundred forty-one".