1099130000 has 50 divisors (see below), whose sum is σ = 2661127854. Its totient is φ = 439648000.

The previous prime is 1099129987. The next prime is 1099130041. The reversal of 1099130000 is 319901.

It can be written as a sum of positive squares in 5 ways, for example, as 540469504 + 558660496 = 23248^2 + 23636^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44957 + ... + 64956.

Almost surely, 2^1099130000 is an apocalyptic number.

1099130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1099130000 is an abundant number, since it is smaller than the sum of its proper divisors (1561997854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099130000 is an equidigital number, since it uses as much as digits as its factorization.

1099130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109941 (or 109920 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 1099130000 is about 33153.1295656986. The cubic root of 1099130000 is about 1032.0078971012.

Adding to 1099130000 its reverse (319901), we get a palindrome (1099449901).

The spelling of 1099130000 in words is "one billion, ninety-nine million, one hundred thirty thousand".