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121065163 = 1277431283
BaseRepresentation
bin1110011011101…
…00111011001011
322102210202011221
413031310323023
5221443041123
620002502511
73000015442
oct715647313
9272722157
10121065163
116237a05a
1234664a37
131c10a9bb
1412115d59
15a96625d
hex7374ecb

121065163 has 8 divisors (see below), whose sum is σ = 122277888. Its totient is φ = 119856744.

The previous prime is 121065121. The next prime is 121065173. The reversal of 121065163 is 361560121.

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 121065163 - 221 = 118968011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121065173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93720 + ... + 95002.

It is an arithmetic number, because the mean of its divisors is an integer number (15284736).

Almost surely, 2121065163 is an apocalyptic number.

121065163 is a deficient number, since it is larger than the sum of its proper divisors (1212725).

121065163 is a wasteful number, since it uses less digits than its factorization.

121065163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 121065163 is about 11002.9615558721. The cubic root of 121065163 is about 494.6975167921.

The spelling of 121065163 in words is "one hundred twenty-one million, sixty-five thousand, one hundred sixty-three".

Divisors: 1 127 743 1283 94361 162941 953269 121065163