1224861441 has 16 divisors (see below), whose sum is σ = 1746344448. Its totient is φ = 760928000.

The previous prime is 1224861409. The next prime is 1224861457. The reversal of 1224861441 is 1441684221.

It is a cyclic number.

It is not a de Polignac number, because 1224861441 - 2⁵ = 1224861409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224861401) 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 15 ways as a sum of consecutive naturals, for example, 113745 + ... + 124046.

It is an arithmetic number, because the mean of its divisors is an integer number (109146528).

Almost surely, 2^1224861441 is an apocalyptic number.

It is an amenable number.

1224861441 is a deficient number, since it is larger than the sum of its proper divisors (521483007).

1224861441 is a wasteful number, since it uses less digits than its factorization.

1224861441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237912.

The product of its digits is 12288, while the sum is 33.

The square root of 1224861441 is about 34998.0205297385. The cubic root of 1224861441 is about 1069.9471371677.

The spelling of 1224861441 in words is "one billion, two hundred twenty-four million, eight hundred sixty-one thousand, four hundred forty-one".