201045103 has 16 divisors (see below), whose sum is σ = 232277760. Its totient is φ = 170452800.

The previous prime is 201045083. The next prime is 201045107. The reversal of 201045103 is 301540102.

It is not a de Polignac number, because 201045103 - 2⁵ = 201045071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201045107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351808 + ... + 352378.

It is an arithmetic number, because the mean of its divisors is an integer number (14517360).

Almost surely, 2^201045103 is an apocalyptic number.

201045103 is a deficient number, since it is larger than the sum of its proper divisors (31232657).

201045103 is a wasteful number, since it uses less digits than its factorization.

201045103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 201045103 is about 14179.0374497002. The cubic root of 201045103 is about 585.8204117179.

Adding to 201045103 its reverse (301540102), we get a palindrome (502585205).

The spelling of 201045103 in words is "two hundred one million, forty-five thousand, one hundred three".