15103103 has 2 divisors, whose sum is σ = 15103104. Its totient is φ = 15103102.

The previous prime is 15103061. The next prime is 15103133. The reversal of 15103103 is 30130151.

It is a strong prime.

It is an emirp because it is prime and its reverse (30130151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15103103 - 2¹⁶ = 15037567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15103133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7551551 + 7551552.

It is an arithmetic number, because the mean of its divisors is an integer number (7551552).

Almost surely, 2^15103103 is an apocalyptic number.

15103103 is a deficient number, since it is larger than the sum of its proper divisors (1).

15103103 is an equidigital number, since it uses as much as digits as its factorization.

15103103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 15103103 is about 3886.2710919338. The cubic root of 15103103 is about 247.1849707473.

Adding to 15103103 its reverse (30130151), we get a palindrome (45233254).

The spelling of 15103103 in words is "fifteen million, one hundred three thousand, one hundred three".