1131062820 has 48 divisors (see below), whose sum is σ = 3175529280. Its totient is φ = 300802176.

The previous prime is 1131062813. The next prime is 1131062833. The reversal of 1131062820 is 282601311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890 + ... + 47649.

It is an arithmetic number, because the mean of its divisors is an integer number (66156860).

Almost surely, 2^1131062820 is an apocalyptic number.

1131062820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131062820 is an abundant number, since it is smaller than the sum of its proper divisors (2044466460).

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

1131062820 is a wasteful number, since it uses less digits than its factorization.

1131062820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50924 (or 50922 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1131062820 is about 33631.2774066047. The cubic root of 1131062820 is about 1041.9068873464.

The spelling of 1131062820 in words is "one billion, one hundred thirty-one million, sixty-two thousand, eight hundred twenty".