201234005 has 16 divisors (see below), whose sum is σ = 276234624. Its totient is φ = 137860800.

The previous prime is 201233999. The next prime is 201234013. The reversal of 201234005 is 500432102.

It is not a de Polignac number, because 201234005 - 2⁶ = 201233941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50330 + ... + 54180.

It is an arithmetic number, because the mean of its divisors is an integer number (17264664).

Almost surely, 2^201234005 is an apocalyptic number.

It is an amenable number.

201234005 is a deficient number, since it is larger than the sum of its proper divisors (75000619).

201234005 is a wasteful number, since it uses less digits than its factorization.

201234005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201234005 is about 14185.6971982346. The cubic root of 201234005 is about 586.0038332558.

Adding to 201234005 its reverse (500432102), we get a palindrome (701666107).

The spelling of 201234005 in words is "two hundred one million, two hundred thirty-four thousand, five".