1041343221 has 4 divisors (see below), whose sum is σ = 1388457632. Its totient is φ = 694228812.

The previous prime is 1041343217. The next prime is 1041343337. The reversal of 1041343221 is 1223431401.

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 not a de Polignac number, because 1041343221 - 2² = 1041343217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041343201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173557201 + ... + 173557206.

It is an arithmetic number, because the mean of its divisors is an integer number (347114408).

Almost surely, 2^1041343221 is an apocalyptic number.

It is an amenable number.

1041343221 is a deficient number, since it is larger than the sum of its proper divisors (347114411).

1041343221 is an equidigital number, since it uses as much as digits as its factorization.

1041343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347114410.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1041343221 is about 32269.8500306401. The cubic root of 1041343221 is about 1013.5954011006.

Adding to 1041343221 its reverse (1223431401), we get a palindrome (2264774622).

The spelling of 1041343221 in words is "one billion, forty-one million, three hundred forty-three thousand, two hundred twenty-one".