4041504121 has 2 divisors, whose sum is σ = 4041504122. Its totient is φ = 4041504120.

The previous prime is 4041504107. The next prime is 4041504139. The reversal of 4041504121 is 1214051404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2504001600 + 1537502521 = 50040^2 + 39211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4041504121 - 2²⁵ = 4007949689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4041504092 and 4041504101.

It is not a weakly prime, because it can be changed into another prime (4041504221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020752060 + 2020752061.

It is an arithmetic number, because the mean of its divisors is an integer number (2020752061).

Almost surely, 2^4041504121 is an apocalyptic number.

It is an amenable number.

4041504121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4041504121 is an equidigital number, since it uses as much as digits as its factorization.

4041504121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4041504121 is about 63572.8253344147. The cubic root of 4041504121 is about 1592.8724785930.

Adding to 4041504121 its reverse (1214051404), we get a palindrome (5255555525).

The spelling of 4041504121 in words is "four billion, forty-one million, five hundred four thousand, one hundred twenty-one".