29161130 has 16 divisors (see below), whose sum is σ = 53481384. Its totient is φ = 11444160.

The previous prime is 29161087. The next prime is 29161133. The reversal of 29161130 is 3116192.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23319241 + 5841889 = 4829^2 + 2417^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29161096 and 29161105.

It is not an unprimeable number, because it can be changed into a prime (29161133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26981 + ... + 28040.

Almost surely, 2^29161130 is an apocalyptic number.

29161130 is a deficient number, since it is larger than the sum of its proper divisors (24320254).

29161130 is a wasteful number, since it uses less digits than its factorization.

29161130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55081.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 29161130 is about 5400.1046286160. The cubic root of 29161130 is about 307.7996462204.

The spelling of 29161130 in words is "twenty-nine million, one hundred sixty-one thousand, one hundred thirty".