1301133143 has 2 divisors, whose sum is σ = 1301133144. Its totient is φ = 1301133142.

The previous prime is 1301133137. The next prime is 1301133181. The reversal of 1301133143 is 3413311031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301133143 - 2¹² = 1301129047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301133103) 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 as a sum of consecutive naturals, namely, 650566571 + 650566572.

It is an arithmetic number, because the mean of its divisors is an integer number (650566572).

Almost surely, 2^1301133143 is an apocalyptic number.

1301133143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301133143 is an equidigital number, since it uses as much as digits as its factorization.

1301133143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1301133143 is about 36071.2231980009. The cubic root of 1301133143 is about 1091.7098946139.

Adding to 1301133143 its reverse (3413311031), we get a palindrome (4714444174).

The spelling of 1301133143 in words is "one billion, three hundred one million, one hundred thirty-three thousand, one hundred forty-three".