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1206101 = 13192257
BaseRepresentation
bin100100110011101010101
32021021110102
410212131111
5302043401
641503445
713152221
oct4463525
92237412
101206101
11754186
124a1b85
13332c90
14235781
1518c56b
hex126755

1206101 has 12 divisors (see below), whose sum is σ = 1376172. Its totient is φ = 1050624.

The previous prime is 1206071. The next prime is 1206113. The reversal of 1206101 is 1016021.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 442225 = 874^2 + 665^2 .

It is not a de Polignac number, because 1206101 - 214 = 1189717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206131) 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 in 11 ways as a sum of consecutive naturals, for example, 4565 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (114681).

21206101 is an apocalyptic number.

It is an amenable number.

1206101 is a deficient number, since it is larger than the sum of its proper divisors (170071).

1206101 is a wasteful number, since it uses less digits than its factorization.

1206101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1206101 is about 1098.2262972630. The cubic root of 1206101 is about 106.4456436822.

The spelling of 1206101 in words is "one million, two hundred six thousand, one hundred one".

Divisors: 1 13 19 247 257 361 3341 4693 4883 63479 92777 1206101