29456129 has 2 divisors, whose sum is σ = 29456130. Its totient is φ = 29456128.

The previous prime is 29456113. The next prime is 29456131. The reversal of 29456129 is 92165492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 565504 = 5375^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 29456129 - 2⁴ = 29456113 is a prime.

Together with 29456131, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 29456092 and 29456101.

It is not a weakly prime, because it can be changed into another prime (29456029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14728064 + 14728065.

It is an arithmetic number, because the mean of its divisors is an integer number (14728065).

Almost surely, 2^29456129 is an apocalyptic number.

It is an amenable number.

29456129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29456129 is an equidigital number, since it uses as much as digits as its factorization.

29456129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 29456129 is about 5427.3500900532. The cubic root of 29456129 is about 308.8340838700.

The spelling of 29456129 in words is "twenty-nine million, four hundred fifty-six thousand, one hundred twenty-nine".