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1220141201 is a prime number
BaseRepresentation
bin100100010111001…
…1110000010010001
310011000220121001212
41020232132002101
54444324004301
6321023505505
742144012656
oct11056360221
93130817055
101220141201
11576813164
122a0758295
13165a26c56
14b8093c2d
15721b84bb
hex48b9e091

1220141201 has 2 divisors, whose sum is σ = 1220141202. Its totient is φ = 1220141200.

The previous prime is 1220141171. The next prime is 1220141207. The reversal of 1220141201 is 1021410221.

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., 792478801 + 427662400 = 28151^2 + 20680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220141201 - 226 = 1153032337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220141207) 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, 610070600 + 610070601.

It is an arithmetic number, because the mean of its divisors is an integer number (610070601).

Almost surely, 21220141201 is an apocalyptic number.

It is an amenable number.

1220141201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220141201 is an equidigital number, since it uses as much as digits as its factorization.

1220141201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1220141201 is about 34930.5196210993. The cubic root of 1220141201 is about 1068.5709519101.

Adding to 1220141201 its reverse (1021410221), we get a palindrome (2241551422).

The spelling of 1220141201 in words is "one billion, two hundred twenty million, one hundred forty-one thousand, two hundred one".