4121343420 has 96 divisors (see below), whose sum is σ = 11994974208. Its totient is φ = 1056390912.

The previous prime is 4121343397. The next prime is 4121343431. The reversal of 4121343420 is 243431214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173077 + ... + 195443.

It is an arithmetic number, because the mean of its divisors is an integer number (124947648).

Almost surely, 2^4121343420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4121343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5997487104).

4121343420 is an abundant number, since it is smaller than the sum of its proper divisors (7873630788).

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

4121343420 is a wasteful number, since it uses less digits than its factorization.

4121343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22499 (or 22497 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4121343420 is about 64197.6901453627. The cubic root of 4121343420 is about 1603.2931418395.

Adding to 4121343420 its reverse (243431214), we get a palindrome (4364774634).

The spelling of 4121343420 in words is "four billion, one hundred twenty-one million, three hundred forty-three thousand, four hundred twenty".