1003214421 has 96 divisors (see below), whose sum is σ = 1782518400. Its totient is φ = 535818240.

The previous prime is 1003214413. The next prime is 1003214441. The reversal of 1003214421 is 1244123001.

It is not a de Polignac number, because 1003214421 - 2³ = 1003214413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003214394 and 1003214403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003214441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4380735 + ... + 4380963.

It is an arithmetic number, because the mean of its divisors is an integer number (18567900).

Almost surely, 2^1003214421 is an apocalyptic number.

1003214421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003214421 is a deficient number, since it is larger than the sum of its proper divisors (779303979).

1003214421 is a wasteful number, since it uses less digits than its factorization.

1003214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1003214421 is about 31673.5602829868. The cubic root of 1003214421 is about 1001.0703276567.

Adding to 1003214421 its reverse (1244123001), we get a palindrome (2247337422).

The spelling of 1003214421 in words is "one billion, three million, two hundred fourteen thousand, four hundred twenty-one".