1098520192 has 128 divisors (see below), whose sum is σ = 2746068480. Its totient is φ = 425241600.

The previous prime is 1098520177. The next prime is 1098520193. The reversal of 1098520192 is 2910258901.

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

It is a super-2 number, since 2×1098520192² = 2413493224463433728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1098520193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237067 + ... + 2237557.

It is an arithmetic number, because the mean of its divisors is an integer number (21453660).

Almost surely, 2^1098520192 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 1098520192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373034240).

1098520192 is an abundant number, since it is smaller than the sum of its proper divisors (1647548288).

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

1098520192 is a wasteful number, since it uses less digits than its factorization.

1098520192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1098520192 is about 33143.9314505687. The cubic root of 1098520192 is about 1031.8170057923.

The spelling of 1098520192 in words is "one billion, ninety-eight million, five hundred twenty thousand, one hundred ninety-two".