1130131128 has 64 divisors (see below), whose sum is σ = 3369346560. Its totient is φ = 308854656.

The previous prime is 1130131109. The next prime is 1130131157. The reversal of 1130131128 is 8211310311.

It is a happy number.

1130131128 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142375 + ... + 150102.

It is an arithmetic number, because the mean of its divisors is an integer number (52646040).

Almost surely, 2^1130131128 is an apocalyptic number.

It is an amenable number.

1130131128 is an abundant number, since it is smaller than the sum of its proper divisors (2239215432).

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

1130131128 is a wasteful number, since it uses less digits than its factorization.

1130131128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292516 (or 292512 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1130131128 is about 33617.4229827332. The cubic root of 1130131128 is about 1041.6207249399.

Adding to 1130131128 its reverse (8211310311), we get a palindrome (9341441439).

The spelling of 1130131128 in words is "one billion, one hundred thirty million, one hundred thirty-one thousand, one hundred twenty-eight".