100006261 has 8 divisors (see below), whose sum is σ = 103349664. Its totient is φ = 96709200.

The previous prime is 100006241. The next prime is 100006273. The reversal of 100006261 is 162600001.

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 100006261 - 2⁵ = 100006229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100006211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7171 + ... + 15856.

It is an arithmetic number, because the mean of its divisors is an integer number (12918708).

Almost surely, 2^100006261 is an apocalyptic number.

It is an amenable number.

100006261 is a deficient number, since it is larger than the sum of its proper divisors (3343403).

100006261 is a wasteful number, since it uses less digits than its factorization.

100006261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23171.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100006261 is about 10000.3130451001. The cubic root of 100006261 is about 464.1685701550.

Adding to 100006261 its reverse (162600001), we get a palindrome (262606262).

It can be divided in two parts, 10000 and 6261, that added together give a palindrome (16261).

The spelling of 100006261 in words is "one hundred million, six thousand, two hundred sixty-one".