1224461 has 6 divisors (see below), whose sum is σ = 1424430. Its totient is φ = 1049496.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224461 is 1644221.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 1225 = 1106^2 + 35^2 .

It is not a de Polignac number, because 1224461 - 2¹⁰ = 1223437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12446 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (237405).

2^1224461 is an apocalyptic number.

It is an amenable number.

1224461 is a deficient number, since it is larger than the sum of its proper divisors (199969).

1224461 is an equidigital number, since it uses as much as digits as its factorization.

1224461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003 (or 24996 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1224461 is about 1106.5536588887. The cubic root of 1224461 is about 106.9830526046.

Adding to 1224461 its reverse (1644221), we get a palindrome (2868682).

The spelling of 1224461 in words is "one million, two hundred twenty-four thousand, four hundred sixty-one".