106047215 has 4 divisors (see below), whose sum is σ = 127256664. Its totient is φ = 84837768.

The previous prime is 106047209. The next prime is 106047259. The reversal of 106047215 is 512740601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106047215 - 2⁸ = 106046959 is a prime.

It is a super-2 number, since 2×106047215² = 22492023618512450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10604717 + ... + 10604726.

It is an arithmetic number, because the mean of its divisors is an integer number (31814166).

Almost surely, 2^106047215 is an apocalyptic number.

106047215 is a deficient number, since it is larger than the sum of its proper divisors (21209449).

106047215 is an equidigital number, since it uses as much as digits as its factorization.

106047215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21209448.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 106047215 is about 10297.9228488079. The cubic root of 106047215 is about 473.3326062388.

Adding to 106047215 its reverse (512740601), we get a palindrome (618787816).

The spelling of 106047215 in words is "one hundred six million, forty-seven thousand, two hundred fifteen".