4105121100 has 72 divisors (see below), whose sum is σ = 12287078160. Its totient is φ = 1056948480.

The previous prime is 4105121099. The next prime is 4105121101. The reversal of 4105121100 is 11215014.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4105121099) and next prime (4105121101).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4105121100.

It is not an unprimeable number, because it can be changed into a prime (4105121101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227227 + ... + 244626.

Almost surely, 2^4105121100 is an apocalyptic number.

It is an amenable number.

4105121100 is an abundant number, since it is smaller than the sum of its proper divisors (8181957060).

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

4105121100 is a wasteful number, since it uses less digits than its factorization.

4105121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471899 (or 471892 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 4105121100 is about 64071.2189676457. The cubic root of 4105121100 is about 1601.1867627579.

Adding to 4105121100 its reverse (11215014), we get a palindrome (4116336114).

The spelling of 4105121100 in words is "four billion, one hundred five million, one hundred twenty-one thousand, one hundred".