29121292 has 6 divisors (see below), whose sum is σ = 50962268. Its totient is φ = 14560644.

The previous prime is 29121259. The next prime is 29121299. The reversal of 29121292 is 29212192.

It is a self number, because there is not a number n which added to its sum of digits gives 29121292.

It is not an unprimeable number, because it can be changed into a prime (29121299) 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 as a sum of consecutive naturals, namely, 3640158 + ... + 3640165.

Almost surely, 2^29121292 is an apocalyptic number.

It is an amenable number.

29121292 is a deficient number, since it is larger than the sum of its proper divisors (21840976).

29121292 is a wasteful number, since it uses less digits than its factorization.

29121292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280327 (or 7280325 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 29121292 is about 5396.4147357296. The cubic root of 29121292 is about 307.6594171959.

The spelling of 29121292 in words is "twenty-nine million, one hundred twenty-one thousand, two hundred ninety-two".