4121004144520 has 64 divisors (see below), whose sum is σ = 9676087632000. Its totient is φ = 1576620131328.

The previous prime is 4121004144511. The next prime is 4121004144547. The reversal of 4121004144520 is 254414001214.

It is a happy number.

It is a super-3 number, since 3×4121004144520³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13445136 + ... + 13748224.

It is an arithmetic number, because the mean of its divisors is an integer number (151188869250).

Almost surely, 2^{4121004144520} is an apocalyptic number.

4121004144520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4121004144520 is an abundant number, since it is smaller than the sum of its proper divisors (5555083487480).

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

4121004144520 is a wasteful number, since it uses less digits than its factorization.

4121004144520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317902 (or 317898 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 4121004144520 its reverse (254414001214), we get a palindrome (4375418145734).

The spelling of 4121004144520 in words is "four trillion, one hundred twenty-one billion, four million, one hundred forty-four thousand, five hundred twenty".