1300132021 has 2 divisors, whose sum is σ = 1300132022. Its totient is φ = 1300132020.

The previous prime is 1300132013. The next prime is 1300132051. The reversal of 1300132021 is 1202310031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298809521 + 1322500 = 36039^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300132021 - 2³ = 1300132013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300131992 and 1300132010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300132051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650066010 + 650066011.

It is an arithmetic number, because the mean of its divisors is an integer number (650066011).

Almost surely, 2^1300132021 is an apocalyptic number.

It is an amenable number.

1300132021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300132021 is an equidigital number, since it uses as much as digits as its factorization.

1300132021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1300132021 is about 36057.3435100258. The cubic root of 1300132021 is about 1091.4298271387.

Adding to 1300132021 its reverse (1202310031), we get a palindrome (2502442052).

The spelling of 1300132021 in words is "one billion, three hundred million, one hundred thirty-two thousand, twenty-one".