4104721 has 2 divisors, whose sum is σ = 4104722. Its totient is φ = 4104720.

The previous prime is 4104713. The next prime is 4104733. The reversal of 4104721 is 1274014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 4096 = 2025^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 4104721 - 2³ = 4104713 is a prime.

It is not a weakly prime, because it can be changed into another prime (4104791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052360 + 2052361.

It is an arithmetic number, because the mean of its divisors is an integer number (2052361).

Almost surely, 2^4104721 is an apocalyptic number.

It is an amenable number.

4104721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4104721 is an equidigital number, since it uses as much as digits as its factorization.

4104721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 4104721 is about 2026.0111055964. The cubic root of 4104721 is about 160.1134741910.

Adding to 4104721 its reverse (1274014), we get a palindrome (5378735).

The spelling of 4104721 in words is "four million, one hundred four thousand, seven hundred twenty-one".