29152121 has 8 divisors (see below), whose sum is σ = 30234624. Its totient is φ = 28078560.

The previous prime is 29152111. The next prime is 29152129. The reversal of 29152121 is 12125192.

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

It is not a de Polignac number, because 29152121 - 2¹⁴ = 29135737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29152129) 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, 4805 + ... + 9021.

It is an arithmetic number, because the mean of its divisors is an integer number (3779328).

Almost surely, 2^29152121 is an apocalyptic number.

It is an amenable number.

29152121 is a deficient number, since it is larger than the sum of its proper divisors (1082503).

29152121 is a wasteful number, since it uses less digits than its factorization.

29152121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its digits is 360, while the sum is 23.

The square root of 29152121 is about 5399.2704136763. The cubic root of 29152121 is about 307.7679458872.

The spelling of 29152121 in words is "twenty-nine million, one hundred fifty-two thousand, one hundred twenty-one".