200473121 has 2 divisors, whose sum is σ = 200473122. Its totient is φ = 200473120.

The previous prime is 200473109. The next prime is 200473151. The reversal of 200473121 is 121374002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114725521 + 85747600 = 10711^2 + 9260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200473121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200473093 and 200473102.

It is not a weakly prime, because it can be changed into another prime (200473151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100236560 + 100236561.

It is an arithmetic number, because the mean of its divisors is an integer number (100236561).

Almost surely, 2^200473121 is an apocalyptic number.

It is an amenable number.

200473121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200473121 is an equidigital number, since it uses as much as digits as its factorization.

200473121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 200473121 is about 14158.8530962080. The cubic root of 200473121 is about 585.2643225616.

The spelling of 200473121 in words is "two hundred million, four hundred seventy-three thousand, one hundred twenty-one".