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101201197 is a prime number
BaseRepresentation
bin1100000100000…
…11010100101101
321001102112221111
412002003110231
5201401414242
614013032021
72336124136
oct602032455
9231375844
10101201197
1152141a59
1229a85611
1317c74486
14d624c8d
158d40817
hex608352d

101201197 has 2 divisors, whose sum is σ = 101201198. Its totient is φ = 101201196.

The previous prime is 101201189. The next prime is 101201207. The reversal of 101201197 is 791102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100380361 + 820836 = 10019^2 + 906^2 .

It is an emirp because it is prime and its reverse (791102101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101201197 - 23 = 101201189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600598 + 50600599.

It is an arithmetic number, because the mean of its divisors is an integer number (50600599).

Almost surely, 2101201197 is an apocalyptic number.

It is an amenable number.

101201197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201197 is an equidigital number, since it uses as much as digits as its factorization.

101201197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 101201197 is about 10059.8805658914. The cubic root of 101201197 is about 466.0099787876.

Adding to 101201197 its reverse (791102101), we get a palindrome (892303298).

The spelling of 101201197 in words is "one hundred one million, two hundred one thousand, one hundred ninety-seven".