29129125 has 16 divisors (see below), whose sum is σ = 36504000. Its totient is φ = 23206800.

The previous prime is 29129123. The next prime is 29129129. The reversal of 29129125 is 52192192.

It is not a de Polignac number, because 29129125 - 2¹ = 29129123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29129123) 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, 58126 + ... + 58624.

It is an arithmetic number, because the mean of its divisors is an integer number (2281500).

Almost surely, 2^29129125 is an apocalyptic number.

29129125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29129125 is a deficient number, since it is larger than the sum of its proper divisors (7374875).

29129125 is an equidigital number, since it uses as much as digits as its factorization.

29129125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 971 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 29129125 is about 5397.1404465698. The cubic root of 29129125 is about 307.6869993075.

The spelling of 29129125 in words is "twenty-nine million, one hundred twenty-nine thousand, one hundred twenty-five".