201242234 has 4 divisors (see below), whose sum is σ = 301863354. Its totient is φ = 100621116.

The previous prime is 201242221. The next prime is 201242257. The reversal of 201242234 is 432242102.

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

It can be written as a sum of positive squares in only one way, i.e., 185041609 + 16200625 = 13603^2 + 4025^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50310557 + ... + 50310560.

Almost surely, 2^201242234 is an apocalyptic number.

201242234 is a deficient number, since it is larger than the sum of its proper divisors (100621120).

201242234 is a wasteful number, since it uses less digits than its factorization.

201242234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100621119.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 201242234 is about 14185.9872409360. The cubic root of 201242234 is about 586.0118209049.

Adding to 201242234 its reverse (432242102), we get a palindrome (633484336).

The spelling of 201242234 in words is "two hundred one million, two hundred forty-two thousand, two hundred thirty-four".