1238003 has 4 divisors (see below), whose sum is σ = 1333248. Its totient is φ = 1142760.

The previous prime is 1237993. The next prime is 1238023. The reversal of 1238003 is 3008321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3008321 = 103 ⋅29207.

It is a cyclic number.

It is not a de Polignac number, because 1238003 - 2⁶ = 1237939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47603 + ... + 47628.

It is an arithmetic number, because the mean of its divisors is an integer number (333312).

2^1238003 is an apocalyptic number.

1238003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1238003 is a deficient number, since it is larger than the sum of its proper divisors (95245).

1238003 is an equidigital number, since it uses as much as digits as its factorization.

1238003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95244.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1238003 is about 1112.6558317827. The cubic root of 1238003 is about 107.3760026930.

The spelling of 1238003 in words is "one million, two hundred thirty-eight thousand, three".