129662003 has 2 divisors, whose sum is σ = 129662004. Its totient is φ = 129662002.

The previous prime is 129661997. The next prime is 129662021. The reversal of 129662003 is 300266921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129662003 - 2¹² = 129657907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (129662033) 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, 64831001 + 64831002.

It is an arithmetic number, because the mean of its divisors is an integer number (64831002).

Almost surely, 2^129662003 is an apocalyptic number.

129662003 is a deficient number, since it is larger than the sum of its proper divisors (1).

129662003 is an equidigital number, since it uses as much as digits as its factorization.

129662003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 129662003 is about 11386.9224551676. The cubic root of 129662003 is about 506.1402890238.

The spelling of 129662003 in words is "one hundred twenty-nine million, six hundred sixty-two thousand, three".