Search a number
-
+
120206873 is a prime number
BaseRepresentation
bin1110010101000…
…11011000011001
322101012010211102
413022203120121
5221233104443
615532241145
72656512233
oct712433031
9271163742
10120206873
1161943226
12343101b5
131bb9a137
1411d71253
15a846cb8
hex72a3619

120206873 has 2 divisors, whose sum is σ = 120206874. Its totient is φ = 120206872.

The previous prime is 120206819. The next prime is 120206917. The reversal of 120206873 is 378602021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115175824 + 5031049 = 10732^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 120206873 - 210 = 120205849 is a prime.

It is not a weakly prime, because it can be changed into another prime (120206573) 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 as a sum of consecutive naturals, namely, 60103436 + 60103437.

It is an arithmetic number, because the mean of its divisors is an integer number (60103437).

Almost surely, 2120206873 is an apocalyptic number.

It is an amenable number.

120206873 is a deficient number, since it is larger than the sum of its proper divisors (1).

120206873 is an equidigital number, since it uses as much as digits as its factorization.

120206873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 120206873 is about 10963.8895014497. The cubic root of 120206873 is about 493.5256925273.

Adding to 120206873 its reverse (378602021), we get a palindrome (498808894).

The spelling of 120206873 in words is "one hundred twenty million, two hundred six thousand, eight hundred seventy-three".