106243215 has 16 divisors (see below), whose sum is σ = 183065568. Its totient is φ = 52304256.

The previous prime is 106243201. The next prime is 106243253. The reversal of 106243215 is 512342601.

It is not a de Polignac number, because 106243215 - 2⁷ = 106243087 is a prime.

It is a super-2 number, since 2×106243215² = 22575241467072450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 272224 + ... + 272613.

It is an arithmetic number, because the mean of its divisors is an integer number (11441598).

Almost surely, 2^106243215 is an apocalyptic number.

106243215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106243215 is a deficient number, since it is larger than the sum of its proper divisors (76822353).

106243215 is a wasteful number, since it uses less digits than its factorization.

106243215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544858.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 106243215 is about 10307.4349379465. The cubic root of 106243215 is about 473.6240364725.

Adding to 106243215 its reverse (512342601), we get a palindrome (618585816).

The spelling of 106243215 in words is "one hundred six million, two hundred forty-three thousand, two hundred fifteen".