102080281 has 2 divisors, whose sum is σ = 102080282. Its totient is φ = 102080280.

The previous prime is 102080273. The next prime is 102080339. The reversal of 102080281 is 182080201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90554256 + 11526025 = 9516^2 + 3395^2 .

It is an emirp because it is prime and its reverse (182080201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102080281 - 2³ = 102080273 is a prime.

It is a super-2 number, since 2×102080281² = 20840767538077922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102030281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51040140 + 51040141.

It is an arithmetic number, because the mean of its divisors is an integer number (51040141).

Almost surely, 2^102080281 is an apocalyptic number.

It is an amenable number.

102080281 is a deficient number, since it is larger than the sum of its proper divisors (1).

102080281 is an equidigital number, since it uses as much as digits as its factorization.

102080281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 102080281 is about 10103.4786583632. The cubic root of 102080281 is about 467.3554221349.

The spelling of 102080281 in words is "one hundred two million, eighty thousand, two hundred eighty-one".