1003045221 has 16 divisors (see below), whose sum is σ = 1488294720. Its totient is φ = 667661040.

The previous prime is 1003045213. The next prime is 1003045223. The reversal of 1003045221 is 1225403001.

1003045221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1003045221 - 2³ = 1003045213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003045194 and 1003045203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003045223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10815 + ... + 46076.

It is an arithmetic number, because the mean of its divisors is an integer number (93018420).

Almost surely, 2^1003045221 is an apocalyptic number.

It is an amenable number.

1003045221 is a deficient number, since it is larger than the sum of its proper divisors (485249499).

1003045221 is an equidigital number, since it uses as much as digits as its factorization.

1003045221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57553 (or 57547 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1003045221 is about 31670.8891728666. The cubic root of 1003045221 is about 1001.0140450318.

Adding to 1003045221 its reverse (1225403001), we get a palindrome (2228448222).

The spelling of 1003045221 in words is "one billion, three million, forty-five thousand, two hundred twenty-one".