29125189 has 4 divisors (see below), whose sum is σ = 29143660. Its totient is φ = 29106720.

The previous prime is 29125181. The next prime is 29125219. The reversal of 29125189 is 98152192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6400900 + 22724289 = 2530^2 + 4767^2 .

It is a cyclic number.

It is not a de Polignac number, because 29125189 - 2³ = 29125181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29125181) 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 3 ways as a sum of consecutive naturals, for example, 6624 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (7285915).

Almost surely, 2^29125189 is an apocalyptic number.

It is an amenable number.

29125189 is a deficient number, since it is larger than the sum of its proper divisors (18471).

29125189 is a wasteful number, since it uses less digits than its factorization.

29125189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470.

The product of its digits is 12960, while the sum is 37.

The square root of 29125189 is about 5396.7757967142. The cubic root of 29125189 is about 307.6731402050.

The spelling of 29125189 in words is "twenty-nine million, one hundred twenty-five thousand, one hundred eighty-nine".