1301143273 has 2 divisors, whose sum is σ = 1301143274. Its totient is φ = 1301143272.

The previous prime is 1301143267. The next prime is 1301143339. The reversal of 1301143273 is 3723411031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1089528064 + 211615209 = 33008^2 + 14547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301143273 - 2⁹ = 1301142761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301143213) 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, 650571636 + 650571637.

It is an arithmetic number, because the mean of its divisors is an integer number (650571637).

Almost surely, 2^1301143273 is an apocalyptic number.

It is an amenable number.

1301143273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301143273 is an equidigital number, since it uses as much as digits as its factorization.

1301143273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1301143273 is about 36071.3636143687. The cubic root of 1301143273 is about 1091.7127277835.

The spelling of 1301143273 in words is "one billion, three hundred one million, one hundred forty-three thousand, two hundred seventy-three".