321304124 has 6 divisors (see below), whose sum is σ = 562282224. Its totient is φ = 160652060.

The previous prime is 321304121. The next prime is 321304153. The reversal of 321304124 is 421403123.

It is a junction number, because it is equal to n+sod(n) for n = 321304096 and 321304105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321304121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40163012 + ... + 40163019.

It is an arithmetic number, because the mean of its divisors is an integer number (93713704).

Almost surely, 2^321304124 is an apocalyptic number.

It is an amenable number.

321304124 is a deficient number, since it is larger than the sum of its proper divisors (240978100).

321304124 is a wasteful number, since it uses less digits than its factorization.

321304124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80326035 (or 80326033 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 321304124 is about 17924.9581310529. The cubic root of 321304124 is about 684.9182945508.

Adding to 321304124 its reverse (421403123), we get a palindrome (742707247).

The spelling of 321304124 in words is "three hundred twenty-one million, three hundred four thousand, one hundred twenty-four".