129960403 has 2 divisors, whose sum is σ = 129960404. Its totient is φ = 129960402.

The previous prime is 129960371. The next prime is 129960473. The reversal of 129960403 is 304069921.

It is a weak prime.

It is an emirp because it is prime and its reverse (304069921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129960403 - 2⁵ = 129960371 is a prime.

It is not a weakly prime, because it can be changed into another prime (129960473) 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, 64980201 + 64980202.

It is an arithmetic number, because the mean of its divisors is an integer number (64980202).

Almost surely, 2^129960403 is an apocalyptic number.

129960403 is a deficient number, since it is larger than the sum of its proper divisors (1).

129960403 is an equidigital number, since it uses as much as digits as its factorization.

129960403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 129960403 is about 11400.0176754249. The cubic root of 129960403 is about 506.5282632603.

The spelling of 129960403 in words is "one hundred twenty-nine million, nine hundred sixty thousand, four hundred three".