1090799999 has 8 divisors (see below), whose sum is σ = 1107952560. Its totient is φ = 1073673216.

The previous prime is 1090799977. The next prime is 1090800037. The reversal of 1090799999 is 9999970901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1090799999 - 2¹² = 1090795903 is a prime.

It is a Duffinian number.

1090799999 is a modest number, since divided by 99999 gives 10907 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090799959) 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 in 7 ways as a sum of consecutive naturals, for example, 90047 + ... + 101439.

It is an arithmetic number, because the mean of its divisors is an integer number (138494070).

Almost surely, 2^1090799999 is an apocalyptic number.

1090799999 is a deficient number, since it is larger than the sum of its proper divisors (17152561).

1090799999 is a wasteful number, since it uses less digits than its factorization.

1090799999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889.

The product of its (nonzero) digits is 3720087, while the sum is 62.

The square root of 1090799999 is about 33027.2614517159. The cubic root of 1090799999 is about 1029.3941826585.

The spelling of 1090799999 in words is "one billion, ninety million, seven hundred ninety-nine thousand, nine hundred ninety-nine".