102140503 has 2 divisors, whose sum is σ = 102140504. Its totient is φ = 102140502.

The previous prime is 102140501. The next prime is 102140509. The reversal of 102140503 is 305041201.

It is a weak prime.

It is an emirp because it is prime and its reverse (305041201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102140503 - 2¹ = 102140501 is a prime.

Together with 102140501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102140501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070251 + 51070252.

It is an arithmetic number, because the mean of its divisors is an integer number (51070252).

Almost surely, 2^102140503 is an apocalyptic number.

102140503 is a deficient number, since it is larger than the sum of its proper divisors (1).

102140503 is an equidigital number, since it uses as much as digits as its factorization.

102140503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102140503 is about 10106.4584796060. The cubic root of 102140503 is about 467.4473091120.

Adding to 102140503 its reverse (305041201), we get a palindrome (407181704).

The spelling of 102140503 in words is "one hundred two million, one hundred forty thousand, five hundred three".