1530103 has 2 divisors, whose sum is σ = 1530104. Its totient is φ = 1530102.

The previous prime is 1530097. The next prime is 1530107. The reversal of 1530103 is 3010351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530103 - 2⁵ = 1530071 is a prime.

1530103 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765051 + 765052.

It is an arithmetic number, because the mean of its divisors is an integer number (765052).

2^1530103 is an apocalyptic number.

1530103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530103 is an equidigital number, since it uses as much as digits as its factorization.

1530103 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 13.

The square root of 1530103 is about 1236.9733222669. The cubic root of 1530103 is about 115.2321209539.

Adding to 1530103 its reverse (3010351), we get a palindrome (4540454).

The spelling of 1530103 in words is "one million, five hundred thirty thousand, one hundred three".