1081947883 has 8 divisors (see below), whose sum is σ = 1102873968. Its totient is φ = 1061040864.

The previous prime is 1081947869. The next prime is 1081947887. The reversal of 1081947883 is 3887491801.

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

It is a cyclic number.

It is not a de Polignac number, because 1081947883 - 2²⁹ = 545076971 is a prime.

It is a super-2 number, since 2×1081947883² = 2341222443056363378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081947887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172185 + ... + 178357.

It is an arithmetic number, because the mean of its divisors is an integer number (137859246).

Almost surely, 2^1081947883 is an apocalyptic number.

1081947883 is a deficient number, since it is larger than the sum of its proper divisors (20926085).

1081947883 is an equidigital number, since it uses as much as digits as its factorization.

1081947883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 1081947883 is about 32892.9761955345. The cubic root of 1081947883 is about 1026.6020184855.

The spelling of 1081947883 in words is "one billion, eighty-one million, nine hundred forty-seven thousand, eight hundred eighty-three".