123211041 has 4 divisors (see below), whose sum is σ = 164281392. Its totient is φ = 82140692.

The previous prime is 123211037. The next prime is 123211051. The reversal of 123211041 is 140112321.

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 123211041 - 2² = 123211037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123211041.

It is not an unprimeable number, because it can be changed into a prime (123211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20535171 + ... + 20535176.

It is an arithmetic number, because the mean of its divisors is an integer number (41070348).

Almost surely, 2^123211041 is an apocalyptic number.

It is an amenable number.

123211041 is a deficient number, since it is larger than the sum of its proper divisors (41070351).

123211041 is an equidigital number, since it uses as much as digits as its factorization.

123211041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41070350.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 123211041 is about 11100.0468917928. The cubic root of 123211041 is about 497.6032508778.

Adding to 123211041 its reverse (140112321), we get a palindrome (263323362).

The spelling of 123211041 in words is "one hundred twenty-three million, two hundred eleven thousand, forty-one".