29121 has 8 divisors (see below), whose sum is σ = 41184. Its totient is φ = 18240.

The previous prime is 29101. The next prime is 29123. The reversal of 29121 is 12192.

It is a happy number.

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

It is not a de Polignac number, because 29121 - 2¹⁰ = 28097 is a prime.

It is a Curzon number.

29121 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 29121.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 29121.

It is not an unprimeable number, because it can be changed into a prime (29123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (5148).

2²⁹¹²¹ is an apocalyptic number.

It is an amenable number.

29121 is a deficient number, since it is larger than the sum of its proper divisors (12063).

29121 is a wasteful number, since it uses less digits than its factorization.

29121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its digits is 36, while the sum is 15.

The square root of 29121 is about 170.6487620817. The cubic root of 29121 is about 30.7658388889.

The spelling of 29121 in words is "twenty-nine thousand, one hundred twenty-one".