102835021 has 2 divisors, whose sum is σ = 102835022. Its totient is φ = 102835020.

The previous prime is 102835009. The next prime is 102835043. The reversal of 102835021 is 120538201.

It is an a-pointer prime, because the next prime (102835043) can be obtained adding 102835021 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71318025 + 31516996 = 8445^2 + 5614^2 .

It is a cyclic number.

It is not a de Polignac number, because 102835021 - 2¹¹ = 102832973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102834983 and 102835001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102832021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51417510 + 51417511.

It is an arithmetic number, because the mean of its divisors is an integer number (51417511).

Almost surely, 2^102835021 is an apocalyptic number.

It is an amenable number.

102835021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102835021 is an equidigital number, since it uses as much as digits as its factorization.

102835021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 102835021 is about 10140.7603758298. The cubic root of 102835021 is about 468.5044069099.

The spelling of 102835021 in words is "one hundred two million, eight hundred thirty-five thousand, twenty-one".