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1241009 = 71171227
BaseRepresentation
bin100101110111110110001
32100001100022
410232332301
5304203014
642333225
713356050
oct4567661
92301308
101241009
11778430
124ba215
13345b33
14244397
15197a8e
hex12efb1

1241009 has 16 divisors (see below), whose sum is σ = 1575936. Its totient is φ = 949200.

The previous prime is 1241003. The next prime is 1241027. The reversal of 1241009 is 9001421.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1241009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241003) 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 in 15 ways as a sum of consecutive naturals, for example, 5354 + ... + 5580.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

21241009 is an apocalyptic number.

It is an amenable number.

1241009 is a deficient number, since it is larger than the sum of its proper divisors (334927).

1241009 is a wasteful number, since it uses less digits than its factorization.

1241009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1241009 is about 1114.0058348142. The cubic root of 1241009 is about 107.4628391477.

The spelling of 1241009 in words is "one million, two hundred forty-one thousand, nine".

Divisors: 1 7 11 71 77 227 497 781 1589 2497 5467 16117 17479 112819 177287 1241009