106105603 has 4 divisors (see below), whose sum is σ = 108973360. Its totient is φ = 103237848.

The previous prime is 106105589. The next prime is 106105607. The reversal of 106105603 is 306501601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306501601 = 7 ⋅43785943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106105603 is a prime.

It is a super-2 number, since 2×106105603² = 22516797975987218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106105607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433823 + ... + 1433896.

It is an arithmetic number, because the mean of its divisors is an integer number (27243340).

Almost surely, 2^106105603 is an apocalyptic number.

106105603 is a deficient number, since it is larger than the sum of its proper divisors (2867757).

106105603 is an equidigital number, since it uses as much as digits as its factorization.

106105603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867756.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 106105603 is about 10300.7573993372. The cubic root of 106105603 is about 473.4194602362.

The spelling of 106105603 in words is "one hundred six million, one hundred five thousand, six hundred three".