4105013121 has 32 divisors (see below), whose sum is σ = 6638077440. Its totient is φ = 2486494800.

The previous prime is 4105013119. The next prime is 4105013141. The reversal of 4105013121 is 1213105014.

4105013121 is a `hidden beast` number, since 41 + 0 + 501 + 3 + 121 = 666.

4105013121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4105013121 - 2¹ = 4105013119 is a prime.

It is a super-2 number, since 2×4105013121² = 33702265447164321282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4105013094 and 4105013103.

It is not an unprimeable number, because it can be changed into a prime (4105013141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830026 + ... + 834956.

It is an arithmetic number, because the mean of its divisors is an integer number (207439920).

Almost surely, 2^4105013121 is an apocalyptic number.

It is an amenable number.

4105013121 is a deficient number, since it is larger than the sum of its proper divisors (2533064319).

4105013121 is a wasteful number, since it uses less digits than its factorization.

4105013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 4105013121 is about 64070.3763138629. The cubic root of 4105013121 is about 1601.1727237030.

Adding to 4105013121 its reverse (1213105014), we get a palindrome (5318118135).

The spelling of 4105013121 in words is "four billion, one hundred five million, thirteen thousand, one hundred twenty-one".