29112156 has 48 divisors (see below), whose sum is σ = 76199200. Its totient is φ = 9611136.

The previous prime is 29112151. The next prime is 29112157. The reversal of 29112156 is 65121192.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29112151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10536 + ... + 13008.

Almost surely, 2^29112156 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 29112156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38099600).

29112156 is an abundant number, since it is smaller than the sum of its proper divisors (47087044).

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

29112156 is a wasteful number, since it uses less digits than its factorization.

29112156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2587 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 29112156 is about 5395.5681813874. The cubic root of 29112156 is about 307.6272406196.

The spelling of 29112156 in words is "twenty-nine million, one hundred twelve thousand, one hundred fifty-six".