106921085 has 8 divisors (see below), whose sum is σ = 128914656. Its totient is φ = 85130640.

The previous prime is 106921069. The next prime is 106921103. The reversal of 106921085 is 580129601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106921085 - 2⁴ = 106921069 is a prime.

It is a super-2 number, since 2×106921085² = 22864236835154450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 49619 + ... + 51728.

It is an arithmetic number, because the mean of its divisors is an integer number (16114332).

Almost surely, 2^106921085 is an apocalyptic number.

It is an amenable number.

106921085 is a deficient number, since it is larger than the sum of its proper divisors (21993571).

106921085 is a wasteful number, since it uses less digits than its factorization.

106921085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101563.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 106921085 is about 10340.2652287067. The cubic root of 106921085 is about 474.6291990737.

The spelling of 106921085 in words is "one hundred six million, nine hundred twenty-one thousand, eighty-five".