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117988127 is a prime number
BaseRepresentation
bin1110000100001…
…01101100011111
322020000102021122
413002011230133
5220201110002
615412521155
72631611465
oct702055437
9266012248
10117988127
1160668254
12336201bb
131b5a127a
1411954835
15a5596a2
hex7085b1f

117988127 has 2 divisors, whose sum is σ = 117988128. Its totient is φ = 117988126.

The previous prime is 117988121. The next prime is 117988133. The reversal of 117988127 is 721889711.

It is a balanced prime because it is at equal distance from previous prime (117988121) and next prime (117988133).

It is an emirp because it is prime and its reverse (721889711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117988127 - 24 = 117988111 is a prime.

It is a super-2 number, since 2×1179881272 = 27842396225936258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117988121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58994063 + 58994064.

It is an arithmetic number, because the mean of its divisors is an integer number (58994064).

Almost surely, 2117988127 is an apocalyptic number.

117988127 is a deficient number, since it is larger than the sum of its proper divisors (1).

117988127 is an equidigital number, since it uses as much as digits as its factorization.

117988127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 44.

The square root of 117988127 is about 10862.2339783306. The cubic root of 117988127 is about 490.4703618946.

The spelling of 117988127 in words is "one hundred seventeen million, nine hundred eighty-eight thousand, one hundred twenty-seven".