1030420305 has 48 divisors (see below), whose sum is σ = 1856856960. Its totient is φ = 542157408.

The previous prime is 1030420301. The next prime is 1030420327. The reversal of 1030420305 is 5030240301.

It is not a de Polignac number, because 1030420305 - 2² = 1030420301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1030420301) 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 47 ways as a sum of consecutive naturals, for example, 841924 + ... + 843146.

It is an arithmetic number, because the mean of its divisors is an integer number (38684520).

Almost surely, 2^1030420305 is an apocalyptic number.

1030420305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1030420305 is a deficient number, since it is larger than the sum of its proper divisors (826436655).

1030420305 is an equidigital number, since it uses as much as digits as its factorization.

1030420305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1030420305 is about 32100.1605136174. The cubic root of 1030420305 is about 1010.0389832354.

Adding to 1030420305 its reverse (5030240301), we get a palindrome (6060660606).

The spelling of 1030420305 in words is "one billion, thirty million, four hundred twenty thousand, three hundred five".