201125242 has 8 divisors (see below), whose sum is σ = 302282100. Its totient is φ = 100364544.

The previous prime is 201125227. The next prime is 201125257. The reversal of 201125242 is 242521102.

It is an interprime number because it is at equal distance from previous prime (201125227) and next prime (201125257).

It can be written as a sum of positive squares in 2 ways, for example, as 167728401 + 33396841 = 12951^2 + 5779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97767 + ... + 99802.

Almost surely, 2^201125242 is an apocalyptic number.

201125242 is a deficient number, since it is larger than the sum of its proper divisors (101156858).

201125242 is a wasteful number, since it uses less digits than its factorization.

201125242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198080.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 201125242 is about 14181.8631357096. The cubic root of 201125242 is about 585.8982397356.

Adding to 201125242 its reverse (242521102), we get a palindrome (443646344).

The spelling of 201125242 in words is "two hundred one million, one hundred twenty-five thousand, two hundred forty-two".