124241321 has 4 divisors (see below), whose sum is σ = 131549652. Its totient is φ = 116932992.

The previous prime is 124241309. The next prime is 124241333. The reversal of 124241321 is 123142421.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (124241309) and next prime (124241333).

It can be written as a sum of positive squares in 2 ways, for example, as 74736025 + 49505296 = 8645^2 + 7036^2 .

It is a cyclic number.

It is not a de Polignac number, because 124241321 - 2²² = 120047017 is a prime.

It is a super-3 number, since 3×124241321³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124241293 and 124241302.

It is not an unprimeable number, because it can be changed into a prime (124241021) 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, 3654140 + ... + 3654173.

It is an arithmetic number, because the mean of its divisors is an integer number (32887413).

Almost surely, 2^124241321 is an apocalyptic number.

It is an amenable number.

124241321 is a deficient number, since it is larger than the sum of its proper divisors (7308331).

124241321 is an equidigital number, since it uses as much as digits as its factorization.

124241321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308330.

The product of its digits is 384, while the sum is 20.

The square root of 124241321 is about 11146.3590916496. The cubic root of 124241321 is about 498.9863745153.

Adding to 124241321 its reverse (123142421), we get a palindrome (247383742).

The spelling of 124241321 in words is "one hundred twenty-four million, two hundred forty-one thousand, three hundred twenty-one".