106503505 has 8 divisors (see below), whose sum is σ = 128217024. Its totient is φ = 84927600.

The previous prime is 106503497. The next prime is 106503511. The reversal of 106503505 is 505305601.

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

It is not a de Polignac number, because 106503505 - 2³ = 106503497 is a prime.

It is a super-2 number, since 2×106503505² = 22685993154570050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106503505.

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 7 ways as a sum of consecutive naturals, for example, 32691 + ... + 35800.

It is an arithmetic number, because the mean of its divisors is an integer number (16027128).

Almost surely, 2^106503505 is an apocalyptic number.

It is an amenable number.

106503505 is a deficient number, since it is larger than the sum of its proper divisors (21713519).

106503505 is an equidigital number, since it uses as much as digits as its factorization.

106503505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68807.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 106503505 is about 10320.0535366828. The cubic root of 106503505 is about 474.0105052655.

The spelling of 106503505 in words is "one hundred six million, five hundred three thousand, five hundred five".