1301530 has 16 divisors (see below), whose sum is σ = 2360520. Its totient is φ = 516672.

The previous prime is 1301527. The next prime is 1301533. The reversal of 1301530 is 351031.

It is an interprime number because it is at equal distance from previous prime (1301527) and next prime (1301533).

It can be written as a sum of positive squares in 4 ways, for example, as 966289 + 335241 = 983^2 + 579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1301530.

It is not an unprimeable number, because it can be changed into a prime (1301533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 1984.

2^1301530 is an apocalyptic number.

1301530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301530 is a deficient number, since it is larger than the sum of its proper divisors (1058990).

1301530 is a wasteful number, since it uses less digits than its factorization.

1301530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1301530 is about 1140.8461771860. The cubic root of 1301530 is about 109.1820877023.

Adding to 1301530 its reverse (351031), we get a palindrome (1652561).

The spelling of 1301530 in words is "one million, three hundred one thousand, five hundred thirty".