4120641 has 12 divisors (see below), whose sum is σ = 6802432. Its totient is φ = 2354616.

The previous prime is 4120621. The next prime is 4120651. The reversal of 4120641 is 1460214.

4120641 is a `hidden beast` number, since 4 + 1 + 20 + 641 = 666.

It is not a de Polignac number, because 4120641 - 2⁵ = 4120609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4120621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32641 + ... + 32766.

Almost surely, 2^4120641 is an apocalyptic number.

It is an amenable number.

4120641 is a deficient number, since it is larger than the sum of its proper divisors (2681791).

4120641 is a wasteful number, since it uses less digits than its factorization.

4120641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65420 (or 65417 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4120641 is about 2029.9362058942. The cubic root of 4120641 is about 160.3202051060.

Adding to 4120641 its reverse (1460214), we get a palindrome (5580855).

It can be divided in two parts, 4120 and 641, that added together give a square (4761 = 69²).

The spelling of 4120641 in words is "four million, one hundred twenty thousand, six hundred forty-one".