129848273 has 2 divisors, whose sum is σ = 129848274. Its totient is φ = 129848272.

The previous prime is 129848269. The next prime is 129848293. The reversal of 129848273 is 372848921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127622209 + 2226064 = 11297^2 + 1492^2 .

It is an emirp because it is prime and its reverse (372848921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129848273 - 2² = 129848269 is a prime.

It is not a weakly prime, because it can be changed into another prime (129848233) by changing a digit.

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 as a sum of consecutive naturals, namely, 64924136 + 64924137.

It is an arithmetic number, because the mean of its divisors is an integer number (64924137).

Almost surely, 2^129848273 is an apocalyptic number.

It is an amenable number.

129848273 is a deficient number, since it is larger than the sum of its proper divisors (1).

129848273 is an equidigital number, since it uses as much as digits as its factorization.

129848273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 129848273 is about 11395.0986393273. The cubic root of 129848273 is about 506.3825436013.

The spelling of 129848273 in words is "one hundred twenty-nine million, eight hundred forty-eight thousand, two hundred seventy-three".