204125043 has 4 divisors (see below), whose sum is σ = 272166728. Its totient is φ = 136083360.

The previous prime is 204125039. The next prime is 204125087. The reversal of 204125043 is 340521402.

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

It is not a de Polignac number, because 204125043 - 2² = 204125039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204125003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34020838 + ... + 34020843.

It is an arithmetic number, because the mean of its divisors is an integer number (68041682).

Almost surely, 2^204125043 is an apocalyptic number.

204125043 is a deficient number, since it is larger than the sum of its proper divisors (68041685).

204125043 is an equidigital number, since it uses as much as digits as its factorization.

204125043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68041684.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204125043 is about 14287.2335670696. The cubic root of 204125043 is about 588.7967847027.

Adding to 204125043 its reverse (340521402), we get a palindrome (544646445).

The spelling of 204125043 in words is "two hundred four million, one hundred twenty-five thousand, forty-three".