1099342271 has 4 divisors (see below), whose sum is σ = 1120084632. Its totient is φ = 1078599912.

The previous prime is 1099342217. The next prime is 1099342273. The reversal of 1099342271 is 1722439901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1099342271 - 2³⁰ = 25600447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099342273) 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, 10371101 + ... + 10371206.

It is an arithmetic number, because the mean of its divisors is an integer number (280021158).

Almost surely, 2^1099342271 is an apocalyptic number.

1099342271 is a deficient number, since it is larger than the sum of its proper divisors (20742361).

1099342271 is an equidigital number, since it uses as much as digits as its factorization.

1099342271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20742360.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1099342271 is about 33156.3307831250. The cubic root of 1099342271 is about 1032.0743288085.

The spelling of 1099342271 in words is "one billion, ninety-nine million, three hundred forty-two thousand, two hundred seventy-one".