123241 has 4 divisors (see below), whose sum is σ = 123984. Its totient is φ = 122500.

The previous prime is 123239. The next prime is 123259. The reversal of 123241 is 142321.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 142321 = 31 ⋅4591.

It is a cyclic number.

It is not a de Polignac number, because 123241 - 2¹ = 123239 is a prime.

It is an Ulam number.

It is a Duffinian number.

123241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (123341) 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, 6 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (30996).

2¹²³²⁴¹ is an apocalyptic number.

It is an amenable number.

123241 is a deficient number, since it is larger than the sum of its proper divisors (743).

123241 is an equidigital number, since it uses as much as digits as its factorization.

123241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 48, while the sum is 13.

The square root of 123241 is about 351.0569754328. The cubic root of 123241 is about 49.7643578670.

Adding to 123241 its reverse (142321), we get a palindrome (265562).

The spelling of 123241 in words is "one hundred twenty-three thousand, two hundred forty-one", and thus it is an iban number.