1043132221 has 2 divisors, whose sum is σ = 1043132222. Its totient is φ = 1043132220.

The previous prime is 1043132203. The next prime is 1043132249. The reversal of 1043132221 is 1222313401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 728460100 + 314672121 = 26990^2 + 17739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043132221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043132201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521566110 + 521566111.

It is an arithmetic number, because the mean of its divisors is an integer number (521566111).

Almost surely, 2^1043132221 is an apocalyptic number.

It is an amenable number.

1043132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043132221 is an equidigital number, since it uses as much as digits as its factorization.

1043132221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043132221 is about 32297.5575082699. The cubic root of 1043132221 is about 1014.1755123495.

Adding to 1043132221 its reverse (1222313401), we get a palindrome (2265445622).

The spelling of 1043132221 in words is "one billion, forty-three million, one hundred thirty-two thousand, two hundred twenty-one".