1130345000 has 80 divisors (see below), whose sum is σ = 2665162500. Its totient is φ = 449280000.

The previous prime is 1130344993. The next prime is 1130345009. The reversal of 1130345000 is 5430311.

It can be written as a sum of positive squares in 10 ways, for example, as 435389956 + 694955044 = 20866^2 + 26362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1130345000.

It is not an unprimeable number, because it can be changed into a prime (1130345009) 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, 904376 + ... + 905624.

Almost surely, 2^1130345000 is an apocalyptic number.

1130345000 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 1130345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332581250).

1130345000 is an abundant number, since it is smaller than the sum of its proper divisors (1534817500).

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

1130345000 is a wasteful number, since it uses less digits than its factorization.

1130345000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1130345000 is about 33620.6038018356. The cubic root of 1130345000 is about 1041.6864280695.

Adding to 1130345000 its reverse (5430311), we get a palindrome (1135775311).

The spelling of 1130345000 in words is "one billion, one hundred thirty million, three hundred forty-five thousand".