100650 has 48 divisors (see below), whose sum is σ = 276768. Its totient is φ = 24000.

The previous prime is 100649. The next prime is 100669. The reversal of 100650 is 56001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1620 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (5766).

2¹⁰⁰⁶⁵⁰ is an apocalyptic number.

100650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138384).

100650 is an abundant number, since it is smaller than the sum of its proper divisors (176118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100650 is a wasteful number, since it uses less digits than its factorization.

100650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 100650 is about 317.2538415843. The cubic root of 100650 is about 46.5162389808.

Adding to 100650 its reverse (56001), we get a palindrome (156651).

The spelling of 100650 in words is "one hundred thousand, six hundred fifty".