421354120 has 64 divisors (see below), whose sum is σ = 1041336000. Its totient is φ = 152167680.

The previous prime is 421354117. The next prime is 421354121. The reversal of 421354120 is 21453124.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 421354091 and 421354100.

It is not an unprimeable number, because it can be changed into a prime (421354121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 62347 + ... + 68773.

It is an arithmetic number, because the mean of its divisors is an integer number (16270875).

Almost surely, 2^421354120 is an apocalyptic number.

421354120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421354120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520668000).

421354120 is an abundant number, since it is smaller than the sum of its proper divisors (619981880).

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

421354120 is a wasteful number, since it uses less digits than its factorization.

421354120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598 (or 6594 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 421354120 is about 20526.9120912036. The cubic root of 421354120 is about 749.6912032472.

The spelling of 421354120 in words is "four hundred twenty-one million, three hundred fifty-four thousand, one hundred twenty".