102125503 has 2 divisors, whose sum is σ = 102125504. Its totient is φ = 102125502.

The previous prime is 102125489. The next prime is 102125509. The reversal of 102125503 is 305521201.

It is a strong prime.

It is an emirp because it is prime and its reverse (305521201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102125503 - 2¹³ = 102117311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102125509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51062751 + 51062752.

It is an arithmetic number, because the mean of its divisors is an integer number (51062752).

Almost surely, 2^102125503 is an apocalyptic number.

102125503 is a deficient number, since it is larger than the sum of its proper divisors (1).

102125503 is an equidigital number, since it uses as much as digits as its factorization.

102125503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 102125503 is about 10105.7163526392. The cubic root of 102125503 is about 467.4244254283.

Adding to 102125503 its reverse (305521201), we get a palindrome (407646704).

The spelling of 102125503 in words is "one hundred two million, one hundred twenty-five thousand, five hundred three".