29225129 has 4 divisors (see below), whose sum is σ = 29237076. Its totient is φ = 29213184.

The previous prime is 29225107. The next prime is 29225143. The reversal of 29225129 is 92152292.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 21114025 + 8111104 = 4595^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 29225129 - 2⁸ = 29224873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29225095 and 29225104.

It is not an unprimeable number, because it can be changed into a prime (29225149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824 + ... + 7689.

It is an arithmetic number, because the mean of its divisors is an integer number (7309269).

Almost surely, 2^29225129 is an apocalyptic number.

It is an amenable number.

29225129 is a deficient number, since it is larger than the sum of its proper divisors (11947).

29225129 is an equidigital number, since it uses as much as digits as its factorization.

29225129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11946.

The product of its digits is 6480, while the sum is 32.

The square root of 29225129 is about 5406.0270994511. The cubic root of 29225129 is about 308.0246543766.

The spelling of 29225129 in words is "twenty-nine million, two hundred twenty-five thousand, one hundred twenty-nine".