129898801 has 8 divisors (see below), whose sum is σ = 141451200. Its totient is φ = 118818000.

The previous prime is 129898789. The next prime is 129898841. The reversal of 129898801 is 108898921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129898801 - 2⁹ = 129898289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129898841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117325 + ... + 118426.

It is an arithmetic number, because the mean of its divisors is an integer number (17681400).

Almost surely, 2^129898801 is an apocalyptic number.

It is an amenable number.

129898801 is a deficient number, since it is larger than the sum of its proper divisors (11552399).

129898801 is a wasteful number, since it uses less digits than its factorization.

129898801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235799.

The product of its (nonzero) digits is 82944, while the sum is 46.

The square root of 129898801 is about 11397.3155172611. The cubic root of 129898801 is about 506.4482181471.

The spelling of 129898801 in words is "one hundred twenty-nine million, eight hundred ninety-eight thousand, eight hundred one".