1030421320 has 32 divisors (see below), whose sum is σ = 2319736320. Its totient is φ = 411939520.

The previous prime is 1030421311. The next prime is 1030421351. The reversal of 1030421320 is 231240301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1030421294 and 1030421303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78339 + ... + 90541.

It is an arithmetic number, because the mean of its divisors is an integer number (72491760).

Almost surely, 2^1030421320 is an apocalyptic number.

1030421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030421320 is an abundant number, since it is smaller than the sum of its proper divisors (1289315000).

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

1030421320 is a wasteful number, since it uses less digits than its factorization.

1030421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14325 (or 14321 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030421320 is about 32100.1763235033. The cubic root of 1030421320 is about 1010.0393148765.

Adding to 1030421320 its reverse (231240301), we get a palindrome (1261661621).

The spelling of 1030421320 in words is "one billion, thirty million, four hundred twenty-one thousand, three hundred twenty".