201243104 has 24 divisors (see below), whose sum is σ = 396673200. Its totient is φ = 100500736.

The previous prime is 201243101. The next prime is 201243109. The reversal of 201243104 is 401342102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201243101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27197 + ... + 33795.

It is an arithmetic number, because the mean of its divisors is an integer number (16528050).

Almost surely, 2^201243104 is an apocalyptic number.

It is an amenable number.

201243104 is a deficient number, since it is larger than the sum of its proper divisors (195430096).

201243104 is an equidigital number, since it uses as much as digits as its factorization.

201243104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562 (or 7554 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 201243104 is about 14186.0179049654. The cubic root of 201243104 is about 586.0126653756.

Adding to 201243104 its reverse (401342102), we get a palindrome (602585206).

The spelling of 201243104 in words is "two hundred one million, two hundred forty-three thousand, one hundred four".