4511121 has 8 divisors (see below), whose sum is σ = 6039264. Its totient is φ = 2995200.

The previous prime is 4511099. The next prime is 4511123. The reversal of 4511121 is 1211154.

It is a happy number.

4511121 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 4511121 - 2⁶ = 4511057 is a prime.

4511121 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4511121.

It is not an unprimeable number, because it can be changed into a prime (4511123) 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, 2155 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (754908).

Almost surely, 2^4511121 is an apocalyptic number.

It is an amenable number.

4511121 is a deficient number, since it is larger than the sum of its proper divisors (1528143).

4511121 is a wasteful number, since it uses less digits than its factorization.

4511121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111.

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

The square root of 4511121 is about 2123.9399709031. The cubic root of 4511121 is about 165.2322532769.

Adding to 4511121 its reverse (1211154), we get a palindrome (5722275).

The spelling of 4511121 in words is "four million, five hundred eleven thousand, one hundred twenty-one".