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117040121 = 1117625883
BaseRepresentation
bin1101111100111…
…10001111111001
322011020020212022
412332132033321
5214430240441
615340324225
72620552562
oct676361771
9264206768
10117040121
116007aa80
1233243675
131b32b913
1411789169
15a41d84b
hex6f9e3f9

117040121 has 8 divisors (see below), whose sum is σ = 135190944. Its totient is φ = 100141120.

The previous prime is 117040111. The next prime is 117040141. The reversal of 117040121 is 121040711.

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 117040121 - 214 = 117023737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117040121.

It is not an unprimeable number, because it can be changed into a prime (117040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312755 + ... + 313128.

It is an arithmetic number, because the mean of its divisors is an integer number (16898868).

Almost surely, 2117040121 is an apocalyptic number.

117040121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117040121 is a deficient number, since it is larger than the sum of its proper divisors (18150823).

117040121 is a wasteful number, since it uses less digits than its factorization.

117040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625911.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 117040121 is about 10818.5082613085. The cubic root of 117040121 is about 489.1532244548.

Adding to 117040121 its reverse (121040711), we get a palindrome (238080832).

The spelling of 117040121 in words is "one hundred seventeen million, forty thousand, one hundred twenty-one".

Divisors: 1 11 17 187 625883 6884713 10640011 117040121