85102103 has 2 divisors, whose sum is σ = 85102104. Its totient is φ = 85102102.

The previous prime is 85102081. The next prime is 85102123. The reversal of 85102103 is 30120158.

It is an a-pointer prime, because the next prime (85102123) can be obtained adding 85102103 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85102103 - 2¹⁴ = 85085719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85102123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42551051 + 42551052.

It is an arithmetic number, because the mean of its divisors is an integer number (42551052).

Almost surely, 2^85102103 is an apocalyptic number.

85102103 is a deficient number, since it is larger than the sum of its proper divisors (1).

85102103 is an equidigital number, since it uses as much as digits as its factorization.

85102103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 85102103 is about 9225.0801080533. The cubic root of 85102103 is about 439.8589475557.

The spelling of 85102103 in words is "eighty-five million, one hundred two thousand, one hundred three".