204057122 has 8 divisors (see below), whose sum is σ = 306216876. Its totient is φ = 101984832.

The previous prime is 204057107. The next prime is 204057149. The reversal of 204057122 is 221750402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 203889841 + 167281 = 14279^2 + 409^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15683 + ... + 25574.

Almost surely, 2^204057122 is an apocalyptic number.

204057122 is a deficient number, since it is larger than the sum of its proper divisors (102159754).

204057122 is a wasteful number, since it uses less digits than its factorization.

204057122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43732.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 204057122 is about 14284.8563870975. The cubic root of 204057122 is about 588.7314716275.

The spelling of 204057122 in words is "two hundred four million, fifty-seven thousand, one hundred twenty-two".