1003020243 has 4 divisors (see below), whose sum is σ = 1337360328. Its totient is φ = 668680160.

The previous prime is 1003020209. The next prime is 1003020257. The reversal of 1003020243 is 3420203001.

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 1003020243 - 2⁸ = 1003019987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003020443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167170038 + ... + 167170043.

It is an arithmetic number, because the mean of its divisors is an integer number (334340082).

Almost surely, 2^1003020243 is an apocalyptic number.

1003020243 is a deficient number, since it is larger than the sum of its proper divisors (334340085).

1003020243 is an equidigital number, since it uses as much as digits as its factorization.

1003020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334340084.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1003020243 is about 31670.4948335197. The cubic root of 1003020243 is about 1001.0057358230.

Adding to 1003020243 its reverse (3420203001), we get a palindrome (4423223244).

The spelling of 1003020243 in words is "one billion, three million, twenty thousand, two hundred forty-three".