124321 has 8 divisors (see below), whose sum is σ = 134784. Its totient is φ = 114240.

The previous prime is 124309. The next prime is 124337. The reversal of 124321 is 123421.

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

It is not a de Polignac number, because 124321 - 2⁷ = 124193 is a prime.

It is a super-2 number, since 2×124321² = 30911422082, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124301) 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, 1156 + ... + 1258.

It is an arithmetic number, because the mean of its divisors is an integer number (16848).

2¹²⁴³²¹ is an apocalyptic number.

It is an amenable number.

124321 is a deficient number, since it is larger than the sum of its proper divisors (10463).

124321 is a wasteful number, since it uses less digits than its factorization.

124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

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

The square root of 124321 is about 352.5918320098. The cubic root of 124321 is about 49.9093022445.

Adding to 124321 its reverse (123421), we get a palindrome (247742).

Subtracting from 124321 its reverse (123421), we obtain a square (900 = 30²).

The spelling of 124321 in words is "one hundred twenty-four thousand, three hundred twenty-one", and thus it is an iban number.