29112132 has 96 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 7937280.

The previous prime is 29112121. The next prime is 29112133. The reversal of 29112132 is 23121192.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 29112099 and 29112108.

It is not an unprimeable number, because it can be changed into a prime (29112133) 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 31 ways as a sum of consecutive naturals, for example, 272023 + ... + 272129.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^29112132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29112132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40642560).

29112132 is an abundant number, since it is smaller than the sum of its proper divisors (52172988).

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

29112132 is a wasteful number, since it uses less digits than its factorization.

29112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 29112132 is about 5395.5659573394. The cubic root of 29112132 is about 307.6271560838.

The spelling of 29112132 in words is "twenty-nine million, one hundred twelve thousand, one hundred thirty-two".