205069126 has 8 divisors (see below), whose sum is σ = 315106344. Its totient is φ = 100033680.

The previous prime is 205069099. The next prime is 205069171. The reversal of 205069126 is 621960502.

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

It is a congruent number.

It is an unprimeable number.

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, 1250340 + ... + 1250503.

It is an arithmetic number, because the mean of its divisors is an integer number (39388293).

Almost surely, 2^205069126 is an apocalyptic number.

205069126 is a deficient number, since it is larger than the sum of its proper divisors (110037218).

205069126 is a wasteful number, since it uses less digits than its factorization.

205069126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500886.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 205069126 is about 14320.2348444430. The cubic root of 205069126 is about 589.7031217315.

The spelling of 205069126 in words is "two hundred five million, sixty-nine thousand, one hundred twenty-six".