1248103 has 2 divisors, whose sum is σ = 1248104. Its totient is φ = 1248102.

The previous prime is 1248101. The next prime is 1248113. The reversal of 1248103 is 3018421.

1248103 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1248103 - 2¹ = 1248101 is a prime.

It is a super-2 number, since 2×1248103² = 3115522197218, which contains 22 as substring.

Together with 1248101, 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 (1248101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624051 + 624052.

It is an arithmetic number, because the mean of its divisors is an integer number (624052).

2^1248103 is an apocalyptic number.

1248103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248103 is an equidigital number, since it uses as much as digits as its factorization.

1248103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1248103 is about 1117.1853024454. The cubic root of 1248103 is about 107.6672140775.

The spelling of 1248103 in words is "one million, two hundred forty-eight thousand, one hundred three".