102828841 has 2 divisors, whose sum is σ = 102828842. Its totient is φ = 102828840.

The previous prime is 102828797. The next prime is 102828857. The reversal of 102828841 is 148828201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93702400 + 9126441 = 9680^2 + 3021^2 .

It is an emirp because it is prime and its reverse (148828201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102828841 - 2¹⁵ = 102796073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102828797 and 102828806.

It is not a weakly prime, because it can be changed into another prime (102828881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51414420 + 51414421.

It is an arithmetic number, because the mean of its divisors is an integer number (51414421).

Almost surely, 2^102828841 is an apocalyptic number.

It is an amenable number.

102828841 is a deficient number, since it is larger than the sum of its proper divisors (1).

102828841 is an equidigital number, since it uses as much as digits as its factorization.

102828841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 102828841 is about 10140.4556603735. The cubic root of 102828841 is about 468.4950216012.

The spelling of 102828841 in words is "one hundred two million, eight hundred twenty-eight thousand, eight hundred forty-one".