1106840899 has 4 divisors (see below), whose sum is σ = 1108018080. Its totient is φ = 1105663720.

The previous prime is 1106840893. The next prime is 1106840927. The reversal of 1106840899 is 9980486011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106840899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106840893) 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, 587179 + ... + 589060.

It is an arithmetic number, because the mean of its divisors is an integer number (277004520).

Almost surely, 2^1106840899 is an apocalyptic number.

1106840899 is a deficient number, since it is larger than the sum of its proper divisors (1177181).

1106840899 is an equidigital number, since it uses as much as digits as its factorization.

1106840899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177180.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1106840899 is about 33269.2184909715. The cubic root of 1106840899 is about 1034.4156110402.

The spelling of 1106840899 in words is "one billion, one hundred six million, eight hundred forty thousand, eight hundred ninety-nine".