1128070800 has 300 divisors, whose sum is σ = 4162394676. Its totient is φ = 292377600.

The previous prime is 1128070789. The next prime is 1128070807. The reversal of 1128070800 is 80708211.

It can be written as a sum of positive squares in 6 ways, for example, as 23970816 + 1104099984 = 4896^2 + 33228^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1128070807) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1198330 + ... + 1199270.

Almost surely, 2^1128070800 is an apocalyptic number.

1128070800 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 1128070800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2081197338).

1128070800 is an abundant number, since it is smaller than the sum of its proper divisors (3034323876).

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

1128070800 is a wasteful number, since it uses less digits than its factorization.

1128070800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1128070800 is about 33586.7652506162. The cubic root of 1128070800 is about 1040.9873512901.

The spelling of 1128070800 in words is "one billion, one hundred twenty-eight million, seventy thousand, eight hundred".