1083229921 has 2 divisors, whose sum is σ = 1083229922. Its totient is φ = 1083229920.

The previous prime is 1083229897. The next prime is 1083229933. The reversal of 1083229921 is 1299223801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588790225 + 494439696 = 24265^2 + 22236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083229921 - 2²¹ = 1081132769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1083229421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541614960 + 541614961.

It is an arithmetic number, because the mean of its divisors is an integer number (541614961).

Almost surely, 2^1083229921 is an apocalyptic number.

It is an amenable number.

1083229921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083229921 is an equidigital number, since it uses as much as digits as its factorization.

1083229921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1083229921 is about 32912.4584466126. The cubic root of 1083229921 is about 1027.0073440141.

The spelling of 1083229921 in words is "one billion, eighty-three million, two hundred twenty-nine thousand, nine hundred twenty-one".