129471007 has 2 divisors, whose sum is σ = 129471008. Its totient is φ = 129471006.

The previous prime is 129470987. The next prime is 129471037. The reversal of 129471007 is 700174921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129471007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129471007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129471037) 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, 64735503 + 64735504.

It is an arithmetic number, because the mean of its divisors is an integer number (64735504).

Almost surely, 2^129471007 is an apocalyptic number.

129471007 is a deficient number, since it is larger than the sum of its proper divisors (1).

129471007 is an equidigital number, since it uses as much as digits as its factorization.

129471007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 129471007 is about 11378.5327261471. The cubic root of 129471007 is about 505.8916469811.

The spelling of 129471007 in words is "one hundred twenty-nine million, four hundred seventy-one thousand, seven".