29121168 has 40 divisors (see below), whose sum is σ = 76655808. Its totient is φ = 9523072.

The previous prime is 29121143. The next prime is 29121173. The reversal of 29121168 is 86112192.

It is a happy number.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3180 + ... + 8267.

Almost surely, 2^29121168 is an apocalyptic number.

It is an amenable number.

29121168 is an abundant number, since it is smaller than the sum of its proper divisors (47534640).

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

29121168 is a wasteful number, since it uses less digits than its factorization.

29121168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511 (or 11505 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 29121168 is about 5396.4032466079. The cubic root of 29121168 is about 307.6589805186.

The spelling of 29121168 in words is "twenty-nine million, one hundred twenty-one thousand, one hundred sixty-eight".