204120003 has 8 divisors (see below), whose sum is σ = 288169488. Its totient is φ = 128075264.

The previous prime is 204119947. The next prime is 204120019. The reversal of 204120003 is 300021402.

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

It is a cyclic number.

It is not a de Polignac number, because 204120003 - 2¹⁴ = 204103619 is a prime.

It is a super-3 number, since 3×204120003³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001126 + ... + 2001227.

It is an arithmetic number, because the mean of its divisors is an integer number (36021186).

Almost surely, 2^204120003 is an apocalyptic number.

204120003 is a deficient number, since it is larger than the sum of its proper divisors (84049485).

204120003 is a wasteful number, since it uses less digits than its factorization.

204120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002373.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 204120003 is about 14287.0571847389. The cubic root of 204120003 is about 588.7919387185.

Adding to 204120003 its reverse (300021402), we get a palindrome (504141405).

The spelling of 204120003 in words is "two hundred four million, one hundred twenty thousand, three".