102503243 has 2 divisors, whose sum is σ = 102503244. Its totient is φ = 102503242.

The previous prime is 102503227. The next prime is 102503279. The reversal of 102503243 is 342305201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102503243 - 2⁴ = 102503227 is a prime.

It is not a weakly prime, because it can be changed into another prime (102503213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51251621 + 51251622.

It is an arithmetic number, because the mean of its divisors is an integer number (51251622).

Almost surely, 2^102503243 is an apocalyptic number.

102503243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102503243 is an equidigital number, since it uses as much as digits as its factorization.

102503243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 102503243 is about 10124.3885247456. The cubic root of 102503243 is about 468.0000167409. Note that the first 4 decimals are identical.

Adding to 102503243 its reverse (342305201), we get a palindrome (444808444).

The spelling of 102503243 in words is "one hundred two million, five hundred three thousand, two hundred forty-three".