106920215 has 8 divisors (see below), whose sum is σ = 133882848. Its totient is φ = 81817120.

The previous prime is 106920211. The next prime is 106920217. The reversal of 106920215 is 512029601.

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

It is not a de Polignac number, because 106920215 - 2² = 106920211 is a prime.

It is a super-2 number, since 2×106920215² = 22863864751292450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106920211) 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 7 ways as a sum of consecutive naturals, for example, 464756 + ... + 464985.

It is an arithmetic number, because the mean of its divisors is an integer number (16735356).

Almost surely, 2^106920215 is an apocalyptic number.

106920215 is a deficient number, since it is larger than the sum of its proper divisors (26962633).

106920215 is an equidigital number, since it uses as much as digits as its factorization.

106920215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929769.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 106920215 is about 10340.2231600677. The cubic root of 106920215 is about 474.6279117425.

Adding to 106920215 its reverse (512029601), we get a palindrome (618949816).

The spelling of 106920215 in words is "one hundred six million, nine hundred twenty thousand, two hundred fifteen".