106603 has 8 divisors (see below), whose sum is σ = 123872. Its totient is φ = 89856.

The previous prime is 106591. The next prime is 106619. The reversal of 106603 is 306601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 106603 - 2¹³ = 98411 is a prime.

It is a super-2 number, since 2×106603² = 22728399218, which contains 22 as substring.

It is the 327-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (106663) by changing a digit.

It is a nontrivial repunit in base 326.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601 + ... + 757.

It is an arithmetic number, because the mean of its divisors is an integer number (15484).

2¹⁰⁶⁶⁰³ is an apocalyptic number.

106603 is a deficient number, since it is larger than the sum of its proper divisors (17269).

106603 is an equidigital number, since it uses as much as digits as its factorization.

106603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 106603 is about 326.5011485432. The cubic root of 106603 is about 47.4158065344.

The spelling of 106603 in words is "one hundred six thousand, six hundred three".