1099893120 has 128 divisors (see below), whose sum is σ = 3658487040. Its totient is φ = 280541184.

The previous prime is 1099893083. The next prime is 1099893133. The reversal of 1099893120 is 213989901.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31707 + ... + 56613.

It is an arithmetic number, because the mean of its divisors is an integer number (28581930).

Almost surely, 2^1099893120 is an apocalyptic number.

1099893120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099893120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829243520).

1099893120 is an abundant number, since it is smaller than the sum of its proper divisors (2558593920).

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

1099893120 is a wasteful number, since it uses less digits than its factorization.

1099893120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24952 (or 24940 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 1099893120 is about 33164.6365877873. The cubic root of 1099893120 is about 1032.2466810102.

The spelling of 1099893120 in words is "one billion, ninety-nine million, eight hundred ninety-three thousand, one hundred twenty".