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103965121 = 1312762971
BaseRepresentation
bin1100011001001…
…10000111000001
321020121222100001
412030212013001
5203103340441
614152200001
72401455211
oct614460701
9236558301
10103965121
115375a597
122a999001
1318701530
14db44241
1591d9731
hex63261c1

103965121 has 8 divisors (see below), whose sum is σ = 112845824. Its totient is φ = 95210640.

The previous prime is 103965119. The next prime is 103965143. The reversal of 103965121 is 121569301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103965121 - 21 = 103965119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103965121.

It is not an unprimeable number, because it can be changed into a prime (103965821) 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 7 ways as a sum of consecutive naturals, for example, 29835 + ... + 33136.

It is an arithmetic number, because the mean of its divisors is an integer number (14105728).

Almost surely, 2103965121 is an apocalyptic number.

It is an amenable number.

103965121 is a deficient number, since it is larger than the sum of its proper divisors (8880703).

103965121 is a wasteful number, since it uses less digits than its factorization.

103965121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63111.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 103965121 is about 10196.3288001123. The cubic root of 103965121 is about 470.2143597412.

The spelling of 103965121 in words is "one hundred three million, nine hundred sixty-five thousand, one hundred twenty-one".

Divisors: 1 13 127 1651 62971 818623 7997317 103965121