1130028140 has 24 divisors (see below), whose sum is σ = 2374227072. Its totient is φ = 451788800.

The previous prime is 1130028127. The next prime is 1130028143. The reversal of 1130028140 is 418200311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1130028143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31340 + ... + 56940.

It is an arithmetic number, because the mean of its divisors is an integer number (98926128).

Almost surely, 2^1130028140 is an apocalyptic number.

1130028140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130028140 is an abundant number, since it is smaller than the sum of its proper divisors (1244198932).

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

1130028140 is a wasteful number, since it uses less digits than its factorization.

1130028140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27817 (or 27815 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1130028140 is about 33615.8911825940. The cubic root of 1130028140 is about 1041.5890832742.

Adding to 1130028140 its reverse (418200311), we get a palindrome (1548228451).

The spelling of 1130028140 in words is "one billion, one hundred thirty million, twenty-eight thousand, one hundred forty".