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107105987 is a prime number
BaseRepresentation
bin1100110001001…
…00111011000011
321110112112210102
412120210323003
5204404342422
614343353015
72440246232
oct630447303
9243475712
10107105987
115550534a
122ba5276b
1319261031
1410320b19
15960a192
hex6624ec3

107105987 has 2 divisors, whose sum is σ = 107105988. Its totient is φ = 107105986.

The previous prime is 107105941. The next prime is 107105989. The reversal of 107105987 is 789501701.

It is a strong prime.

It is an emirp because it is prime and its reverse (789501701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107105987 - 226 = 39997123 is a prime.

It is a super-2 number, since 2×1071059872 = 22943384902488338, which contains 22 as substring.

Together with 107105989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107105987.

It is not a weakly prime, because it can be changed into another prime (107105989) 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 as a sum of consecutive naturals, namely, 53552993 + 53552994.

It is an arithmetic number, because the mean of its divisors is an integer number (53552994).

Almost surely, 2107105987 is an apocalyptic number.

107105987 is a deficient number, since it is larger than the sum of its proper divisors (1).

107105987 is an equidigital number, since it uses as much as digits as its factorization.

107105987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 107105987 is about 10349.2022397864. The cubic root of 107105987 is about 474.9026385861.

The spelling of 107105987 in words is "one hundred seven million, one hundred five thousand, nine hundred eighty-seven".