106804987 has 2 divisors, whose sum is σ = 106804988. Its totient is φ = 106804986.

The previous prime is 106804963. The next prime is 106805011. The reversal of 106804987 is 789408601.

It is a balanced prime because it is at equal distance from previous prime (106804963) and next prime (106805011).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106804987 is a prime.

It is a super-2 number, since 2×106804987² = 22814610496140338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106804787) 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 as a sum of consecutive naturals, namely, 53402493 + 53402494.

It is an arithmetic number, because the mean of its divisors is an integer number (53402494).

Almost surely, 2^106804987 is an apocalyptic number.

106804987 is a deficient number, since it is larger than the sum of its proper divisors (1).

106804987 is an equidigital number, since it uses as much as digits as its factorization.

106804987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 106804987 is about 10334.6498247401. The cubic root of 106804987 is about 474.4573481641.

The spelling of 106804987 in words is "one hundred six million, eight hundred four thousand, nine hundred eighty-seven".