124324321 has 4 divisors (see below), whose sum is σ = 135626544. Its totient is φ = 113022100.

The previous prime is 124324313. The next prime is 124324327. The reversal of 124324321 is 123423421.

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 an emirpimes, since its reverse is a distinct semiprime: 123423421 = 11 ⋅11220311.

It is a cyclic number.

It is not a de Polignac number, because 124324321 - 2³ = 124324313 is a prime.

It is a super-2 number, since 2×124324321² = 30913073584222082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124324292 and 124324301.

It is not an unprimeable number, because it can be changed into a prime (124324327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5651095 + ... + 5651116.

It is an arithmetic number, because the mean of its divisors is an integer number (33906636).

Almost surely, 2^124324321 is an apocalyptic number.

124324321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124324321 is a deficient number, since it is larger than the sum of its proper divisors (11302223).

124324321 is a wasteful number, since it uses less digits than its factorization.

124324321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302222.

The product of its digits is 1152, while the sum is 22.

The square root of 124324321 is about 11150.0816588938. The cubic root of 124324321 is about 499.0974665135.

Adding to 124324321 its reverse (123423421), we get a palindrome (247747742).

The spelling of 124324321 in words is "one hundred twenty-four million, three hundred twenty-four thousand, three hundred twenty-one".