1241244215 has 4 divisors (see below), whose sum is σ = 1489493064. Its totient is φ = 992995368.

The previous prime is 1241244203. The next prime is 1241244233. The reversal of 1241244215 is 5124421421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1241244215 - 2⁸ = 1241243959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124124417 + ... + 124124426.

It is an arithmetic number, because the mean of its divisors is an integer number (372373266).

Almost surely, 2^1241244215 is an apocalyptic number.

1241244215 is a deficient number, since it is larger than the sum of its proper divisors (248248849).

1241244215 is an equidigital number, since it uses as much as digits as its factorization.

1241244215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248248848.

The product of its digits is 2560, while the sum is 26.

The square root of 1241244215 is about 35231.2959597004. The cubic root of 1241244215 is about 1074.6962805224.

Adding to 1241244215 its reverse (5124421421), we get a palindrome (6365665636).

The spelling of 1241244215 in words is "one billion, two hundred forty-one million, two hundred forty-four thousand, two hundred fifteen".