100906601 has 4 divisors (see below), whose sum is σ = 100926804. Its totient is φ = 100886400.

The previous prime is 100906583. The next prime is 100906609. The reversal of 100906601 is 106609001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53640976 + 47265625 = 7324^2 + 6875^2 .

It is a cyclic number.

It is not a de Polignac number, because 100906601 - 2⁶ = 100906537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100906609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3461 + ... + 14621.

It is an arithmetic number, because the mean of its divisors is an integer number (25231701).

Almost surely, 2^100906601 is an apocalyptic number.

It is an amenable number.

100906601 is a deficient number, since it is larger than the sum of its proper divisors (20203).

100906601 is an equidigital number, since it uses as much as digits as its factorization.

100906601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 100906601 is about 10045.2277724301. The cubic root of 100906601 is about 465.5573553430.

The spelling of 100906601 in words is "one hundred million, nine hundred six thousand, six hundred one".