1248603 has 4 divisors (see below), whose sum is σ = 1664808. Its totient is φ = 832400.

The previous prime is 1248593. The next prime is 1248631. The reversal of 1248603 is 3068421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1248603 - 2⁵ = 1248571 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1248673) 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 in 3 ways as a sum of consecutive naturals, for example, 208098 + ... + 208103.

It is an arithmetic number, because the mean of its divisors is an integer number (416202).

2^1248603 is an apocalyptic number.

1248603 is a deficient number, since it is larger than the sum of its proper divisors (416205).

1248603 is an equidigital number, since it uses as much as digits as its factorization.

1248603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416204.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1248603 is about 1117.4090567022. The cubic root of 1248603 is about 107.6815896057.

The spelling of 1248603 in words is "one million, two hundred forty-eight thousand, six hundred three".