1003244421 has 4 divisors (see below), whose sum is σ = 1337659232. Its totient is φ = 668829612.

The previous prime is 1003244419. The next prime is 1003244461. The reversal of 1003244421 is 1244423001.

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 not a de Polignac number, because 1003244421 - 2¹ = 1003244419 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003244461) 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, 167207401 + ... + 167207406.

It is an arithmetic number, because the mean of its divisors is an integer number (334414808).

Almost surely, 2^1003244421 is an apocalyptic number.

It is an amenable number.

1003244421 is a deficient number, since it is larger than the sum of its proper divisors (334414811).

1003244421 is an equidigital number, since it uses as much as digits as its factorization.

1003244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334414810.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1003244421 is about 31674.0338605616. The cubic root of 1003244421 is about 1001.0803061850.

Adding to 1003244421 its reverse (1244423001), we get a palindrome (2247667422).

The spelling of 1003244421 in words is "one billion, three million, two hundred forty-four thousand, four hundred twenty-one".