106051987 has 2 divisors, whose sum is σ = 106051988. Its totient is φ = 106051986.

The previous prime is 106051973. The next prime is 106051997. The reversal of 106051987 is 789150601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106051987 - 2¹¹ = 106049939 is a prime.

It is a super-2 number, since 2×106051987² = 22494047893296338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106051937) 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, 53025993 + 53025994.

It is an arithmetic number, because the mean of its divisors is an integer number (53025994).

Almost surely, 2^106051987 is an apocalyptic number.

106051987 is a deficient number, since it is larger than the sum of its proper divisors (1).

106051987 is an equidigital number, since it uses as much as digits as its factorization.

106051987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 106051987 is about 10298.1545434121. The cubic root of 106051987 is about 473.3397059359.

The spelling of 106051987 in words is "one hundred six million, fifty-one thousand, nine hundred eighty-seven".