106812087 has 4 divisors (see below), whose sum is σ = 142416120. Its totient is φ = 71208056.

The previous prime is 106812073. The next prime is 106812127. The reversal of 106812087 is 780218601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780218601 = 3 ⋅260072867.

It is a cyclic number.

It is not a de Polignac number, because 106812087 - 2²² = 102617783 is a prime.

It is a super-2 number, since 2×106812087² = 22817643858591138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106812287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17802012 + ... + 17802017.

It is an arithmetic number, because the mean of its divisors is an integer number (35604030).

Almost surely, 2^106812087 is an apocalyptic number.

106812087 is a deficient number, since it is larger than the sum of its proper divisors (35604033).

106812087 is an equidigital number, since it uses as much as digits as its factorization.

106812087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35604032.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 106812087 is about 10334.9933236553. The cubic root of 106812087 is about 474.4678613203.

The spelling of 106812087 in words is "one hundred six million, eight hundred twelve thousand, eighty-seven".