1102005439 has 2 divisors, whose sum is σ = 1102005440. Its totient is φ = 1102005438.

The previous prime is 1102005409. The next prime is 1102005449. The reversal of 1102005439 is 9345002011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1102005439 - 2¹⁹ = 1101481151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102005409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551002719 + 551002720.

It is an arithmetic number, because the mean of its divisors is an integer number (551002720).

Almost surely, 2^1102005439 is an apocalyptic number.

1102005439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102005439 is an equidigital number, since it uses as much as digits as its factorization.

1102005439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1102005439 is about 33196.4672668644. The cubic root of 1102005439 is about 1032.9070603084.

The spelling of 1102005439 in words is "one billion, one hundred two million, five thousand, four hundred thirty-nine".