999113000 has 64 divisors (see below), whose sum is σ = 2367705600. Its totient is φ = 394555200.

The previous prime is 999112979. The next prime is 999113029. The reversal of 999113000 is 311999.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 72677 + ... + 85323.

It is an arithmetic number, because the mean of its divisors is an integer number (36995400).

Almost surely, 2^999113000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183852800).

999113000 is an abundant number, since it is smaller than the sum of its proper divisors (1368592600).

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

999113000 is a wasteful number, since it uses less digits than its factorization.

999113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12747 (or 12733 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 999113000 is about 31608.7487889034. The cubic root of 999113000 is about 999.7042458715.

Adding to 999113000 its reverse (311999), we get a palindrome (999424999).

The spelling of 999113000 in words is "nine hundred ninety-nine million, one hundred thirteen thousand".