4121403543 has 12 divisors (see below), whose sum is σ = 6065462520. Its totient is φ = 2695760496.

The previous prime is 4121403479. The next prime is 4121403571. The reversal of 4121403543 is 3453041214.

It is a happy number.

It is not a de Polignac number, because 4121403543 - 2⁶ = 4121403479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121403043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4319653 + ... + 4320606.

It is an arithmetic number, because the mean of its divisors is an integer number (505455210).

Almost surely, 2^4121403543 is an apocalyptic number.

4121403543 is a deficient number, since it is larger than the sum of its proper divisors (1944058977).

4121403543 is a wasteful number, since it uses less digits than its factorization.

4121403543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640318 (or 8640315 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4121403543 is about 64198.1584081662. The cubic root of 4121403543 is about 1603.3009381909.

Adding to 4121403543 its reverse (3453041214), we get a palindrome (7574444757).

The spelling of 4121403543 in words is "four billion, one hundred twenty-one million, four hundred three thousand, five hundred forty-three".