321242124 has 48 divisors (see below), whose sum is σ = 867507200. Its totient is φ = 90619776.

The previous prime is 321242123. The next prime is 321242179. The reversal of 321242124 is 421242123.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 321242124.

It is not an unprimeable number, because it can be changed into a prime (321242123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17569 + ... + 30840.

Almost surely, 2^321242124 is an apocalyptic number.

It is an amenable number.

321242124 is an abundant number, since it is smaller than the sum of its proper divisors (546265076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321242124 is a wasteful number, since it uses less digits than its factorization.

321242124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48502 (or 48500 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 321242124 is about 17923.2286154030. The cubic root of 321242124 is about 684.8742369506.

Adding to 321242124 its reverse (421242123), we get a palindrome (742484247).

Subtracting 321242124 from its reverse (421242123), we obtain a palindrome (99999999).

The spelling of 321242124 in words is "three hundred twenty-one million, two hundred forty-two thousand, one hundred twenty-four".