1131820882 has 8 divisors (see below), whose sum is σ = 1712755836. Its totient is φ = 560902272.

The previous prime is 1131820871. The next prime is 1131820909. The reversal of 1131820882 is 2880281311.

It can be written as a sum of positive squares in 2 ways, for example, as 880249561 + 251571321 = 29669^2 + 15861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503803 + ... + 2504254.

Almost surely, 2^1131820882 is an apocalyptic number.

1131820882 is a deficient number, since it is larger than the sum of its proper divisors (580934954).

1131820882 is a wasteful number, since it uses less digits than its factorization.

1131820882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008172.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 1131820882 is about 33642.5457122377. The cubic root of 1131820882 is about 1042.1396046388.

The spelling of 1131820882 in words is "one billion, one hundred thirty-one million, eight hundred twenty thousand, eight hundred eighty-two".