200121265 has 8 divisors (see below), whose sum is σ = 240232320. Its totient is φ = 160039152.

The previous prime is 200121247. The next prime is 200121329. The reversal of 200121265 is 562121002.

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

It is a cyclic number.

It is not a de Polignac number, because 200121265 - 2¹⁹ = 199596977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13266 + ... + 24004.

It is an arithmetic number, because the mean of its divisors is an integer number (30029040).

Almost surely, 2^200121265 is an apocalyptic number.

It is an amenable number.

200121265 is a deficient number, since it is larger than the sum of its proper divisors (40111055).

200121265 is a wasteful number, since it uses less digits than its factorization.

200121265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 200121265 is about 14146.4223392348. The cubic root of 200121265 is about 584.9217174330.

Adding to 200121265 its reverse (562121002), we get a palindrome (762242267).

The spelling of 200121265 in words is "two hundred million, one hundred twenty-one thousand, two hundred sixty-five".