102803081 has 2 divisors, whose sum is σ = 102803082. Its totient is φ = 102803080.

The previous prime is 102803069. The next prime is 102803089. The reversal of 102803081 is 180308201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64561225 + 38241856 = 8035^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 102803081 - 2¹⁸ = 102540937 is a prime.

It is a super-2 number, since 2×102803081² = 21136946926185122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102803089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51401540 + 51401541.

It is an arithmetic number, because the mean of its divisors is an integer number (51401541).

Almost surely, 2^102803081 is an apocalyptic number.

It is an amenable number.

102803081 is a deficient number, since it is larger than the sum of its proper divisors (1).

102803081 is an equidigital number, since it uses as much as digits as its factorization.

102803081 is an evil number, because the sum of its binary digits is even.

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

The square root of 102803081 is about 10139.1854209300. The cubic root of 102803081 is about 468.4558969110.

The spelling of 102803081 in words is "one hundred two million, eight hundred three thousand, eighty-one".