1224541 has 4 divisors (see below), whose sum is σ = 1229152. Its totient is φ = 1219932.

The previous prime is 1224533. The next prime is 1224577. The reversal of 1224541 is 1454221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1224541 - 2³ = 1224533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (307288).

2^1224541 is an apocalyptic number.

It is an amenable number.

1224541 is a deficient number, since it is larger than the sum of its proper divisors (4611).

1224541 is an equidigital number, since it uses as much as digits as its factorization.

1224541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610.

The product of its digits is 320, while the sum is 19.

The square root of 1224541 is about 1106.5898065679. The cubic root of 1224541 is about 106.9853824618.

Subtracting from 1224541 its product of digits (320), we obtain a palindrome (1224221).

Adding to 1224541 its reverse (1454221), we get a palindrome (2678762).

It can be divided in two parts, 12 and 24541, that multiplied together give a palindrome (294492).

The spelling of 1224541 in words is "one million, two hundred twenty-four thousand, five hundred forty-one".