201243052 has 12 divisors (see below), whose sum is σ = 353014816. Its totient is φ = 100381680.

The previous prime is 201243043. The next prime is 201243061. The reversal of 201243052 is 250342102.

It is an interprime number because it is at equal distance from previous prime (201243043) and next prime (201243061).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58068 + ... + 61435.

Almost surely, 2^201243052 is an apocalyptic number.

It is an amenable number.

201243052 is a deficient number, since it is larger than the sum of its proper divisors (151771764).

201243052 is a wasteful number, since it uses less digits than its factorization.

201243052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119928 (or 119926 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 201243052 is about 14186.0160721747. The cubic root of 201243052 is about 586.0126149016.

Adding to 201243052 its reverse (250342102), we get a palindrome (451585154).

It can be divided in two parts, 201 and 243052, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 201243052 in words is "two hundred one million, two hundred forty-three thousand, fifty-two".