1003214420 has 72 divisors (see below), whose sum is σ = 2291319576. Its totient is φ = 368788992.

The previous prime is 1003214413. The next prime is 1003214441. The reversal of 1003214420 is 244123001.

It can be written as a sum of positive squares in 12 ways, for example, as 662959504 + 340254916 = 25748^2 + 18446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989834 + ... + 990846.

It is an arithmetic number, because the mean of its divisors is an integer number (31823883).

Almost surely, 2^1003214420 is an apocalyptic number.

1003214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003214420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145659788).

1003214420 is an abundant number, since it is smaller than the sum of its proper divisors (1288105156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003214420 is a wasteful number, since it uses less digits than its factorization.

1003214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1003214420 is about 31673.5602672008. The cubic root of 1003214420 is about 1001.0703273240.

Adding to 1003214420 its reverse (244123001), we get a palindrome (1247337421).

The spelling of 1003214420 in words is "one billion, three million, two hundred fourteen thousand, four hundred twenty".