102103501 has 2 divisors, whose sum is σ = 102103502. Its totient is φ = 102103500.

The previous prime is 102103499. The next prime is 102103531. The reversal of 102103501 is 105301201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99301225 + 2802276 = 9965^2 + 1674^2 .

It is an emirp because it is prime and its reverse (105301201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102103501 - 2¹ = 102103499 is a prime.

Together with 102103499, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102103531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051750 + 51051751.

It is an arithmetic number, because the mean of its divisors is an integer number (51051751).

Almost surely, 2^102103501 is an apocalyptic number.

It is an amenable number.

102103501 is a deficient number, since it is larger than the sum of its proper divisors (1).

102103501 is an equidigital number, since it uses as much as digits as its factorization.

102103501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 102103501 is about 10104.6277021967. The cubic root of 102103501 is about 467.3908555868.

Adding to 102103501 its reverse (105301201), we get a palindrome (207404702).

The spelling of 102103501 in words is "one hundred two million, one hundred three thousand, five hundred one".