29121852 has 12 divisors (see below), whose sum is σ = 67951016. Its totient is φ = 9707280.

The previous prime is 29121847. The next prime is 29121853. The reversal of 29121852 is 25812192.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29121853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213399 + ... + 1213422.

Almost surely, 2^29121852 is an apocalyptic number.

It is an amenable number.

29121852 is an abundant number, since it is smaller than the sum of its proper divisors (38829164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29121852 is a wasteful number, since it uses less digits than its factorization.

29121852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426828 (or 2426826 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 29121852 is about 5396.4666217813. The cubic root of 29121852 is about 307.6613892715.

The spelling of 29121852 in words is "twenty-nine million, one hundred twenty-one thousand, eight hundred fifty-two".