321120124 has 24 divisors (see below), whose sum is σ = 605919888. Its totient is φ = 148030080.

The previous prime is 321120119. The next prime is 321120127. The reversal of 321120124 is 421021123.

It is a junction number, because it is equal to n+sod(n) for n = 321120098 and 321120107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45984 + ... + 52504.

It is an arithmetic number, because the mean of its divisors is an integer number (25246662).

Almost surely, 2^321120124 is an apocalyptic number.

It is an amenable number.

321120124 is a deficient number, since it is larger than the sum of its proper divisors (284799764).

321120124 is a wasteful number, since it uses less digits than its factorization.

321120124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7483 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 321120124 is about 17919.8248875373. The cubic root of 321120124 is about 684.7875264081.

Adding to 321120124 its reverse (421021123), we get a palindrome (742141247).

Subtracting 321120124 from its reverse (421021123), we obtain a palindrome (99900999).

The spelling of 321120124 in words is "three hundred twenty-one million, one hundred twenty thousand, one hundred twenty-four".