200121514 has 4 divisors (see below), whose sum is σ = 300182274. Its totient is φ = 100060756.

The previous prime is 200121499. The next prime is 200121577. The reversal of 200121514 is 415121002.

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., 169130025 + 30991489 = 13005^2 + 5567^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030377 + ... + 50030380.

Almost surely, 2^200121514 is an apocalyptic number.

200121514 is a deficient number, since it is larger than the sum of its proper divisors (100060760).

200121514 is a wasteful number, since it uses less digits than its factorization.

200121514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060759.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 200121514 is about 14146.4311400438. The cubic root of 200121514 is about 584.9219600284.

Adding to 200121514 its reverse (415121002), we get a palindrome (615242516).

The spelling of 200121514 in words is "two hundred million, one hundred twenty-one thousand, five hundred fourteen".