29800129 has 2 divisors, whose sum is σ = 29800130. Its totient is φ = 29800128.

The previous prime is 29800117. The next prime is 29800171. The reversal of 29800129 is 92100892.

29800129 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28601104 + 1199025 = 5348^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 29800129 - 2⁵ = 29800097 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 29800129.

It is not a weakly prime, because it can be changed into another prime (29800109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14900064 + 14900065.

It is an arithmetic number, because the mean of its divisors is an integer number (14900065).

Almost surely, 2^29800129 is an apocalyptic number.

It is an amenable number.

29800129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29800129 is an equidigital number, since it uses as much as digits as its factorization.

29800129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 29800129 is about 5458.9494410555. The cubic root of 29800129 is about 310.0316616985.

It can be divided in two parts, 29800 and 129, that added together give a square (29929 = 173²).

The spelling of 29800129 in words is "twenty-nine million, eight hundred thousand, one hundred twenty-nine".