1302531066 has 24 divisors (see below), whose sum is σ = 2822931540. Its totient is φ = 434056896.

The previous prime is 1302531059. The next prime is 1302531071. The reversal of 1302531066 is 6601352031.

It can be written as a sum of positive squares in 2 ways, for example, as 1286298225 + 16232841 = 35865^2 + 4029^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77550 + ... + 92838.

Almost surely, 2^1302531066 is an apocalyptic number.

1302531066 is an abundant number, since it is smaller than the sum of its proper divisors (1520400474).

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

1302531066 is a wasteful number, since it uses less digits than its factorization.

1302531066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20030 (or 20027 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1302531066 is about 36090.5952569364. The cubic root of 1302531066 is about 1092.1007283407.

Adding to 1302531066 its reverse (6601352031), we get a palindrome (7903883097).

The spelling of 1302531066 in words is "one billion, three hundred two million, five hundred thirty-one thousand, sixty-six".