1248003 has 12 divisors (see below), whose sum is σ = 1881360. Its totient is φ = 795696.

The previous prime is 1248001. The next prime is 1248007. The reversal of 1248003 is 3008421.

It is a happy number.

It is not a de Polignac number, because 1248003 - 2¹ = 1248001 is a prime.

It is a super-2 number, since 2×1248003² = 3115022976018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1248001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2808 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (156780).

2^1248003 is an apocalyptic number.

1248003 is a deficient number, since it is larger than the sum of its proper divisors (633357).

1248003 is a wasteful number, since it uses less digits than its factorization.

1248003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1248003 is about 1117.1405462161. The cubic root of 1248003 is about 107.6643385111.

It can be divided in two parts, 1 and 248003, that added together give a square (248004 = 498²).

The spelling of 1248003 in words is "one million, two hundred forty-eight thousand, three".