202129249 has 8 divisors (see below), whose sum is σ = 231121728. Its totient is φ = 173166000.

The previous prime is 202129243. The next prime is 202129253. The reversal of 202129249 is 942921202.

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

It is not a de Polignac number, because 202129249 - 2³ = 202129241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202129249.

It is not an unprimeable number, because it can be changed into a prime (202129241) 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, 10374 + ... + 22624.

It is an arithmetic number, because the mean of its divisors is an integer number (28890216).

Almost surely, 2^202129249 is an apocalyptic number.

It is an amenable number.

202129249 is a deficient number, since it is larger than the sum of its proper divisors (28992479).

202129249 is a wasteful number, since it uses less digits than its factorization.

202129249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 202129249 is about 14217.2166403977. The cubic root of 202129249 is about 586.8715467199.

The spelling of 202129249 in words is "two hundred two million, one hundred twenty-nine thousand, two hundred forty-nine".