1204641 has 12 divisors (see below), whose sum is σ = 1754532. Its totient is φ = 796416.

The previous prime is 1204633. The next prime is 1204649. The reversal of 1204641 is 1464021.

1204641 is a `hidden beast` number, since 1 + 20 + 4 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (1204633) and next prime (1204649).

It can be written as a sum of positive squares in 2 ways, for example, as 950625 + 254016 = 975^2 + 504^2 .

It is not a de Polignac number, because 1204641 - 2³ = 1204633 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204649) 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, 745 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (146211).

2^1204641 is an apocalyptic number.

It is an amenable number.

1204641 is a deficient number, since it is larger than the sum of its proper divisors (549891).

1204641 is a wasteful number, since it uses less digits than its factorization.

1204641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1117 counting only the distinct ones).

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

The square root of 1204641 is about 1097.5613878048. The cubic root of 1204641 is about 106.4026750887.

Adding to 1204641 its reverse (1464021), we get a palindrome (2668662).

It can be divided in two parts, 120 and 4641, that added together give a square (4761 = 69²).

The spelling of 1204641 in words is "one million, two hundred four thousand, six hundred forty-one".