100556601 has 8 divisors (see below), whose sum is σ = 138698880. Its totient is φ = 64726032.

The previous prime is 100556597. The next prime is 100556623. The reversal of 100556601 is 106655001.

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

It is not a de Polignac number, because 100556601 - 2² = 100556597 is a prime.

It is a super-2 number, since 2×100556601² = 20223260009346402, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100556671) 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, 577825 + ... + 577998.

It is an arithmetic number, because the mean of its divisors is an integer number (17337360).

Almost surely, 2^100556601 is an apocalyptic number.

It is an amenable number.

100556601 is a deficient number, since it is larger than the sum of its proper divisors (38142279).

100556601 is a wasteful number, since it uses less digits than its factorization.

100556601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155855.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 100556601 is about 10027.7914318159. The cubic root of 100556601 is about 465.0184615170.

The spelling of 100556601 in words is "one hundred million, five hundred fifty-six thousand, six hundred one".