403421120 has 28 divisors (see below), whose sum is σ = 960647304. Its totient is φ = 161368320.

The previous prime is 403421119. The next prime is 403421153. The reversal of 403421120 is 21124304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630026 + ... + 630665.

Almost surely, 2^403421120 is an apocalyptic number.

403421120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403421120 is an abundant number, since it is smaller than the sum of its proper divisors (557226184).

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

403421120 is a wasteful number, since it uses less digits than its factorization.

403421120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260708 (or 1260698 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 403421120 is about 20085.3459019256. The cubic root of 403421120 is about 738.9009250326.

Adding to 403421120 its reverse (21124304), we get a palindrome (424545424).

The spelling of 403421120 in words is "four hundred three million, four hundred twenty-one thousand, one hundred twenty".