1130200128 has 140 divisors (see below), whose sum is σ = 3496299840. Its totient is φ = 360315648.

The previous prime is 1130200121. The next prime is 1130200147. The reversal of 1130200128 is 8210020311.

It is a super-3 number, since 3×1130200128³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1130200128.

It is not an unprimeable number, because it can be changed into a prime (1130200121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114493 + ... + 123971.

Almost surely, 2^1130200128 is an apocalyptic number.

1130200128 is a gapful number since it is divisible by the number (18) 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 1130200128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748149920).

1130200128 is an abundant number, since it is smaller than the sum of its proper divisors (2366099712).

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

1130200128 is an equidigital number, since it uses as much as digits as its factorization.

1130200128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526 (or 9507 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1130200128 is about 33618.4492206288. The cubic root of 1130200128 is about 1041.6419231783.

Adding to 1130200128 its reverse (8210020311), we get a palindrome (9340220439).

The spelling of 1130200128 in words is "one billion, one hundred thirty million, two hundred thousand, one hundred twenty-eight".