1081878443 has 2 divisors, whose sum is σ = 1081878444. Its totient is φ = 1081878442.

The previous prime is 1081878401. The next prime is 1081878463. The reversal of 1081878443 is 3448781801.

It is a strong prime.

It is an emirp because it is prime and its reverse (3448781801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081878443 - 2¹² = 1081874347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1081878394 and 1081878403.

It is not a weakly prime, because it can be changed into another prime (1081878463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540939221 + 540939222.

It is an arithmetic number, because the mean of its divisors is an integer number (540939222).

Almost surely, 2^1081878443 is an apocalyptic number.

1081878443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081878443 is an equidigital number, since it uses as much as digits as its factorization.

1081878443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 1081878443 is about 32891.9206341010. The cubic root of 1081878443 is about 1026.5800553915.

The spelling of 1081878443 in words is "one billion, eighty-one million, eight hundred seventy-eight thousand, four hundred forty-three".