1003242021 has 4 divisors (see below), whose sum is σ = 1337656032. Its totient is φ = 668828012.

The previous prime is 1003242011. The next prime is 1003242043. The reversal of 1003242021 is 1202423001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1003242021 - 2¹⁷ = 1003110949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003242001) 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, 167207001 + ... + 167207006.

It is an arithmetic number, because the mean of its divisors is an integer number (334414008).

Almost surely, 2^1003242021 is an apocalyptic number.

It is an amenable number.

1003242021 is a deficient number, since it is larger than the sum of its proper divisors (334414011).

1003242021 is an equidigital number, since it uses as much as digits as its factorization.

1003242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334414010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1003242021 is about 31673.9959746161. The cubic root of 1003242021 is about 1001.0795079100.

Adding to 1003242021 its reverse (1202423001), we get a palindrome (2205665022).

The spelling of 1003242021 in words is "one billion, three million, two hundred forty-two thousand, twenty-one".