200453121 has 12 divisors (see below), whose sum is σ = 315865680. Its totient is φ = 121486680.

The previous prime is 200453111. The next prime is 200453129. The reversal of 200453121 is 121354002.

200453121 is a `hidden beast` number, since 200 + 453 + 12 + 1 = 666.

It is not a de Polignac number, because 200453121 - 2¹¹ = 200451073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200453094 and 200453103.

It is not an unprimeable number, because it can be changed into a prime (200453129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1012291 + ... + 1012488.

It is an arithmetic number, because the mean of its divisors is an integer number (26322140).

Almost surely, 2^200453121 is an apocalyptic number.

It is an amenable number.

200453121 is a deficient number, since it is larger than the sum of its proper divisors (115412559).

200453121 is a wasteful number, since it uses less digits than its factorization.

200453121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024796 (or 2024793 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 200453121 is about 14158.1468066975. The cubic root of 200453121 is about 585.2448591448.

The spelling of 200453121 in words is "two hundred million, four hundred fifty-three thousand, one hundred twenty-one".