4105121 has 8 divisors (see below), whose sum is σ = 4414080. Its totient is φ = 3805488.

The previous prime is 4105111. The next prime is 4105151. The reversal of 4105121 is 1215014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4105121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4105096 and 4105105.

It is not an unprimeable number, because it can be changed into a prime (4105111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (551760).

Almost surely, 2^4105121 is an apocalyptic number.

It is an amenable number.

4105121 is a deficient number, since it is larger than the sum of its proper divisors (308959).

4105121 is a wasteful number, since it uses less digits than its factorization.

4105121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 4105121 is about 2026.1098193336. The cubic root of 4105121 is about 160.1186749756.

The spelling of 4105121 in words is "four million, one hundred five thousand, one hundred twenty-one".