29850121 has 16 divisors (see below), whose sum is σ = 36275200. Its totient is φ = 23992848.

The previous prime is 29850109. The next prime is 29850131. The reversal of 29850121 is 12105892.

It is a cyclic number.

It is not a de Polignac number, because 29850121 - 2¹⁵ = 29817353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29850121.

It is not an unprimeable number, because it can be changed into a prime (29850131) 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 15 ways as a sum of consecutive naturals, for example, 12610 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (2267200).

Almost surely, 2^29850121 is an apocalyptic number.

It is an amenable number.

29850121 is a deficient number, since it is larger than the sum of its proper divisors (6425079).

29850121 is a wasteful number, since it uses less digits than its factorization.

29850121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 29850121 is about 5463.5264253044. The cubic root of 29850121 is about 310.2049321333.

The spelling of 29850121 in words is "twenty-nine million, eight hundred fifty thousand, one hundred twenty-one".