106503287 has 8 divisors (see below), whose sum is σ = 116620560. Its totient is φ = 96458560.

The previous prime is 106503251. The next prime is 106503289. The reversal of 106503287 is 782305601.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-106503287 is a prime.

It is a super-2 number, since 2×106503287² = 22685900283608738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106503289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15038 + ... + 20955.

It is an arithmetic number, because the mean of its divisors is an integer number (14577570).

Almost surely, 2^106503287 is an apocalyptic number.

106503287 is a deficient number, since it is larger than the sum of its proper divisors (10117273).

106503287 is a wasteful number, since it uses less digits than its factorization.

106503287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36273.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 106503287 is about 10320.0429747167. The cubic root of 106503287 is about 474.0101818509.

Adding to 106503287 its reverse (782305601), we get a palindrome (888808888).

The spelling of 106503287 in words is "one hundred six million, five hundred three thousand, two hundred eighty-seven".