1130922820 has 12 divisors (see below), whose sum is σ = 2374937964. Its totient is φ = 452369120.

The previous prime is 1130922787. The next prime is 1130922827. The reversal of 1130922820 is 282290311.

It can be written as a sum of positive squares in 2 ways, for example, as 376981056 + 753941764 = 19416^2 + 27458^2 .

It is not an unprimeable number, because it can be changed into a prime (1130922827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28273051 + ... + 28273090.

It is an arithmetic number, because the mean of its divisors is an integer number (197911497).

Almost surely, 2^1130922820 is an apocalyptic number.

1130922820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130922820 is an abundant number, since it is smaller than the sum of its proper divisors (1244015144).

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

1130922820 is a wasteful number, since it uses less digits than its factorization.

1130922820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56546150 (or 56546148 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1130922820 is about 33629.1959463797. The cubic root of 1130922820 is about 1041.8638974021.

The spelling of 1130922820 in words is "one billion, one hundred thirty million, nine hundred twenty-two thousand, eight hundred twenty".