1081373873 has 2 divisors, whose sum is σ = 1081373874. Its totient is φ = 1081373872.

The previous prime is 1081373863. The next prime is 1081373879. The reversal of 1081373873 is 3783731801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874503184 + 206870689 = 29572^2 + 14383^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081373873 - 2⁴ = 1081373857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081373873.

It is not a weakly prime, because it can be changed into another prime (1081373879) by changing a digit.

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 as a sum of consecutive naturals, namely, 540686936 + 540686937.

It is an arithmetic number, because the mean of its divisors is an integer number (540686937).

Almost surely, 2^1081373873 is an apocalyptic number.

It is an amenable number.

1081373873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081373873 is an equidigital number, since it uses as much as digits as its factorization.

1081373873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1081373873 is about 32884.2496189285. The cubic root of 1081373873 is about 1026.4204373220.

The spelling of 1081373873 in words is "one billion, eighty-one million, three hundred seventy-three thousand, eight hundred seventy-three".