324121530 has 32 divisors (see below), whose sum is σ = 795985344. Its totient is φ = 84422016.

The previous prime is 324121471. The next prime is 324121537. The reversal of 324121530 is 35121423.

It is a junction number, because it is equal to n+sod(n) for n = 324121497 and 324121506.

It is not an unprimeable number, because it can be changed into a prime (324121537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124339 + ... + 126918.

It is an arithmetic number, because the mean of its divisors is an integer number (24874542).

Almost surely, 2^324121530 is an apocalyptic number.

324121530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

324121530 is an abundant number, since it is smaller than the sum of its proper divisors (471863814).

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

324121530 is a wasteful number, since it uses less digits than its factorization.

324121530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251310.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 324121530 is about 18003.3755168302. The cubic root of 324121530 is about 686.9144095638.

Adding to 324121530 its reverse (35121423), we get a palindrome (359242953).

The spelling of 324121530 in words is "three hundred twenty-four million, one hundred twenty-one thousand, five hundred thirty".