1133244421 has 2 divisors, whose sum is σ = 1133244422. Its totient is φ = 1133244420.

The previous prime is 1133244407. The next prime is 1133244467. The reversal of 1133244421 is 1244423311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 823977025 + 309267396 = 28705^2 + 17586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133244421 - 2⁵ = 1133244389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133244221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566622210 + 566622211.

It is an arithmetic number, because the mean of its divisors is an integer number (566622211).

Almost surely, 2^1133244421 is an apocalyptic number.

It is an amenable number.

1133244421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133244421 is an equidigital number, since it uses as much as digits as its factorization.

1133244421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1133244421 is about 33663.6958903802. The cubic root of 1133244421 is about 1042.5763359461.

Adding to 1133244421 its reverse (1244423311), we get a palindrome (2377667732).

The spelling of 1133244421 in words is "one billion, one hundred thirty-three million, two hundred forty-four thousand, four hundred twenty-one".