29000121 has 4 divisors (see below), whose sum is σ = 38666832. Its totient is φ = 19333412.

The previous prime is 29000107. The next prime is 29000123. The reversal of 29000121 is 12100092.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29000121 - 2⁶ = 29000057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29000121.

It is not an unprimeable number, because it can be changed into a prime (29000123) 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 3 ways as a sum of consecutive naturals, for example, 4833351 + ... + 4833356.

It is an arithmetic number, because the mean of its divisors is an integer number (9666708).

Almost surely, 2^29000121 is an apocalyptic number.

It is an amenable number.

29000121 is a deficient number, since it is larger than the sum of its proper divisors (9666711).

29000121 is an equidigital number, since it uses as much as digits as its factorization.

29000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666710.

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

The square root of 29000121 is about 5385.1760416907. The cubic root of 29000121 is about 307.2321098672.

The spelling of 29000121 in words is "twenty-nine million, one hundred twenty-one", and thus it is an aban number.