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117075121 = 121396517
BaseRepresentation
bin1101111101001…
…10110010110001
322011022000212121
412332212302301
5214432400441
615341154241
72621056612
oct676466261
9264260777
10117075121
11600a42a9
123325b981
131b341827
1411797c09
15a428dd1
hex6fa6cb1

117075121 has 4 divisors (see below), whose sum is σ = 117172852. Its totient is φ = 116977392.

The previous prime is 117075089. The next prime is 117075143. The reversal of 117075121 is 121570711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 89038096 = 5295^2 + 9436^2 .

It is a cyclic number.

It is not a de Polignac number, because 117075121 - 25 = 117075089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117075181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47046 + ... + 49471.

It is an arithmetic number, because the mean of its divisors is an integer number (29293213).

Almost surely, 2117075121 is an apocalyptic number.

It is an amenable number.

117075121 is a deficient number, since it is larger than the sum of its proper divisors (97731).

117075121 is an equidigital number, since it uses as much as digits as its factorization.

117075121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97730.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 117075121 is about 10820.1257386409. The cubic root of 117075121 is about 489.2019788375.

The spelling of 117075121 in words is "one hundred seventeen million, seventy-five thousand, one hundred twenty-one".

Divisors: 1 1213 96517 117075121