1301304530 has 24 divisors (see below), whose sum is σ = 2425919652. Its totient is φ = 502569536.

The previous prime is 1301304523. The next prime is 1301304533. The reversal of 1301304530 is 354031031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 545549449 + 755755081 = 23357^2 + 27491^2 .

It is not an unprimeable number, because it can be changed into a prime (1301304533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68957 + ... + 85776.

Almost surely, 2^1301304530 is an apocalyptic number.

1301304530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301304530 is a deficient number, since it is larger than the sum of its proper divisors (1124615122).

1301304530 is a wasteful number, since it uses less digits than its factorization.

1301304530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154798 (or 154769 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1301304530 is about 36073.5987946864. The cubic root of 1301304530 is about 1091.7578263392.

Adding to 1301304530 its reverse (354031031), we get a palindrome (1655335561).

The spelling of 1301304530 in words is "one billion, three hundred one million, three hundred four thousand, five hundred thirty".