203050105 has 16 divisors (see below), whose sum is σ = 251159040. Its totient is φ = 157505472.

The previous prime is 203050087. The next prime is 203050109. The reversal of 203050105 is 501050302.

It is a cyclic number.

It is not a de Polignac number, because 203050105 - 2¹¹ = 203048057 is a prime.

It is a super-2 number, since 2×203050105² = 82458690281022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203050109) 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 15 ways as a sum of consecutive naturals, for example, 21652 + ... + 29578.

It is an arithmetic number, because the mean of its divisors is an integer number (15697440).

Almost surely, 2^203050105 is an apocalyptic number.

It is an amenable number.

203050105 is a deficient number, since it is larger than the sum of its proper divisors (48108935).

203050105 is a wasteful number, since it uses less digits than its factorization.

203050105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 203050105 is about 14249.5650810823. The cubic root of 203050105 is about 587.7614155775.

The spelling of 203050105 in words is "two hundred three million, fifty thousand, one hundred five".