1081002803 has 2 divisors, whose sum is σ = 1081002804. Its totient is φ = 1081002802.

The previous prime is 1081002781. The next prime is 1081002847. The reversal of 1081002803 is 3082001801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1081002803 - 2⁸ = 1081002547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1081002883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540501401 + 540501402.

It is an arithmetic number, because the mean of its divisors is an integer number (540501402).

Almost surely, 2^1081002803 is an apocalyptic number.

1081002803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081002803 is an equidigital number, since it uses as much as digits as its factorization.

1081002803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1081002803 is about 32878.6070720765. The cubic root of 1081002803 is about 1026.3030195893.

The spelling of 1081002803 in words is "one billion, eighty-one million, two thousand, eight hundred three".