29771129 has 8 divisors (see below), whose sum is σ = 30851328. Its totient is φ = 28698480.

The previous prime is 29771117. The next prime is 29771167. The reversal of 29771129 is 92117792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29771129 - 2¹² = 29767033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29771092 and 29771101.

It is not an unprimeable number, because it can be changed into a prime (29771629) 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 7 ways as a sum of consecutive naturals, for example, 6854 + ... + 10320.

It is an arithmetic number, because the mean of its divisors is an integer number (3856416).

Almost surely, 2^29771129 is an apocalyptic number.

It is an amenable number.

29771129 is a deficient number, since it is larger than the sum of its proper divisors (1080199).

29771129 is a wasteful number, since it uses less digits than its factorization.

29771129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775.

The product of its digits is 15876, while the sum is 38.

The square root of 29771129 is about 5456.2926057901. The cubic root of 29771129 is about 309.9310599386.

The spelling of 29771129 in words is "twenty-nine million, seven hundred seventy-one thousand, one hundred twenty-nine".