129160481 has 2 divisors, whose sum is σ = 129160482. Its totient is φ = 129160480.

The previous prime is 129160459. The next prime is 129160511. The reversal of 129160481 is 184061921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128142400 + 1018081 = 11320^2 + 1009^2 .

It is an emirp because it is prime and its reverse (184061921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129160481 - 2²⁶ = 62051617 is a prime.

It is a super-2 number, since 2×129160481² = 33364859704302722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129160411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64580240 + 64580241.

It is an arithmetic number, because the mean of its divisors is an integer number (64580241).

Almost surely, 2^129160481 is an apocalyptic number.

It is an amenable number.

129160481 is a deficient number, since it is larger than the sum of its proper divisors (1).

129160481 is an equidigital number, since it uses as much as digits as its factorization.

129160481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 129160481 is about 11364.8792778454. The cubic root of 129160481 is about 505.4868761315.

The spelling of 129160481 in words is "one hundred twenty-nine million, one hundred sixty thousand, four hundred eighty-one".