29128965 has 8 divisors (see below), whose sum is σ = 46606368. Its totient is φ = 15535440.

The previous prime is 29128937. The next prime is 29128969. The reversal of 29128965 is 56982192.

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

It is not a de Polignac number, because 29128965 - 2¹¹ = 29126917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29128969) 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 in 7 ways as a sum of consecutive naturals, for example, 970951 + ... + 970980.

It is an arithmetic number, because the mean of its divisors is an integer number (5825796).

Almost surely, 2^29128965 is an apocalyptic number.

It is an amenable number.

29128965 is a deficient number, since it is larger than the sum of its proper divisors (17477403).

29128965 is a wasteful number, since it uses less digits than its factorization.

29128965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941939.

The product of its digits is 77760, while the sum is 42.

The square root of 29128965 is about 5397.1256238854. The cubic root of 29128965 is about 307.6864359537.

The spelling of 29128965 in words is "twenty-nine million, one hundred twenty-eight thousand, nine hundred sixty-five".