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118700121 = 3239916493
BaseRepresentation
bin1110001001100…
…11100001011001
322021100120221210
413010303201121
5220341400441
615440053333
72640635331
oct704634131
9267316853
10118700121
1161004181
1233904249
131b790377
1411a9c0c1
15a64a616
hex7133859

118700121 has 8 divisors (see below), whose sum is σ = 158342400. Its totient is φ = 79095632.

The previous prime is 118700111. The next prime is 118700123. The reversal of 118700121 is 121007811.

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 118700121 - 214 = 118683737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118700123) 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 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (19792800).

Almost surely, 2118700121 is an apocalyptic number.

It is an amenable number.

118700121 is a deficient number, since it is larger than the sum of its proper divisors (39642279).

118700121 is a wasteful number, since it uses less digits than its factorization.

118700121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18895.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 118700121 is about 10894.9585130004. The cubic root of 118700121 is about 491.4549577592.

Adding to 118700121 its reverse (121007811), we get a palindrome (239707932).

The spelling of 118700121 in words is "one hundred eighteen million, seven hundred thousand, one hundred twenty-one".

Divisors: 1 3 2399 7197 16493 49479 39566707 118700121