1224257241 has 8 divisors (see below), whose sum is σ = 1635008320. Its totient is φ = 814838832.

The previous prime is 1224257219. The next prime is 1224257249. The reversal of 1224257241 is 1427524221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1224257241 - 2¹³ = 1224249049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224257199 and 1224257208.

It is not an unprimeable number, because it can be changed into a prime (1224257249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331021 + ... + 334698.

It is an arithmetic number, because the mean of its divisors is an integer number (204376040).

Almost surely, 2^1224257241 is an apocalyptic number.

It is an amenable number.

1224257241 is a deficient number, since it is larger than the sum of its proper divisors (410751079).

1224257241 is an equidigital number, since it uses as much as digits as its factorization.

1224257241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666335.

The product of its digits is 8960, while the sum is 30.

The square root of 1224257241 is about 34989.3875482267. The cubic root of 1224257241 is about 1069.7711802898.

The spelling of 1224257241 in words is "one billion, two hundred twenty-four million, two hundred fifty-seven thousand, two hundred forty-one".