1341244221 has 8 divisors (see below), whose sum is σ = 1801191840. Its totient is φ = 887729712.

The previous prime is 1341244213. The next prime is 1341244243. The reversal of 1341244221 is 1224421431.

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

It is not a de Polignac number, because 1341244221 - 2³ = 1341244213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341244191 and 1341244200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341244621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1607790 + ... + 1608623.

It is an arithmetic number, because the mean of its divisors is an integer number (225148980).

Almost surely, 2^1341244221 is an apocalyptic number.

It is an amenable number.

1341244221 is a deficient number, since it is larger than the sum of its proper divisors (459947619).

1341244221 is a wasteful number, since it uses less digits than its factorization.

1341244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216555.

The product of its digits is 1536, while the sum is 24.

The square root of 1341244221 is about 36623.0012560413. The cubic root of 1341244221 is about 1102.8148900266.

Adding to 1341244221 its reverse (1224421431), we get a palindrome (2565665652).

The spelling of 1341244221 in words is "one billion, three hundred forty-one million, two hundred forty-four thousand, two hundred twenty-one".