1204261 has 4 divisors (see below), whose sum is σ = 1210572. Its totient is φ = 1197952.

The previous prime is 1204243. The next prime is 1204271. The reversal of 1204261 is 1624021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1624021 = 7 ⋅232003.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 216225 = 994^2 + 465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204261 is a prime.

It is a super-2 number, since 2×1204261² = 2900489112242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2860 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (302643).

2^1204261 is an apocalyptic number.

It is an amenable number.

1204261 is a deficient number, since it is larger than the sum of its proper divisors (6311).

1204261 is an equidigital number, since it uses as much as digits as its factorization.

1204261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1204261 is about 1097.3882631047. The cubic root of 1204261 is about 106.3914857886.

Adding to 1204261 its reverse (1624021), we get a palindrome (2828282).

The spelling of 1204261 in words is "one million, two hundred four thousand, two hundred sixty-one".