403121324 has 12 divisors (see below), whose sum is σ = 706165824. Its totient is φ = 201359664.

The previous prime is 403121321. The next prime is 403121363. The reversal of 403121324 is 423121304.

It is a junction number, because it is equal to n+sod(n) for n = 403121296 and 403121305.

It is not an unprimeable number, because it can be changed into a prime (403121321) 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 3 ways as a sum of consecutive naturals, for example, 45692 + ... + 53795.

It is an arithmetic number, because the mean of its divisors is an integer number (58847152).

Almost surely, 2^403121324 is an apocalyptic number.

It is an amenable number.

403121324 is a deficient number, since it is larger than the sum of its proper divisors (303044500).

403121324 is a wasteful number, since it uses less digits than its factorization.

403121324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100504 (or 100502 counting only the distinct ones).

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

The square root of 403121324 is about 20077.8814619471. The cubic root of 403121324 is about 738.7178455108.

Subtracting from 403121324 its sum of digits (20), we obtain a palindrome (403121304).

Adding to 403121324 its reverse (423121304), we get a palindrome (826242628).

The spelling of 403121324 in words is "four hundred three million, one hundred twenty-one thousand, three hundred twenty-four".