100550207 has 4 divisors (see below), whose sum is σ = 101112120. Its totient is φ = 99988296.

The previous prime is 100550167. The next prime is 100550251. The reversal of 100550207 is 702055001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702055001 = 17 ⋅41297353.

It is a cyclic number.

It is not a de Polignac number, because 100550207 - 2¹² = 100546111 is a prime.

It is a super-3 number, since 3×100550207³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280688 + ... + 281045.

It is an arithmetic number, because the mean of its divisors is an integer number (25278030).

Almost surely, 2^100550207 is an apocalyptic number.

100550207 is a deficient number, since it is larger than the sum of its proper divisors (561913).

100550207 is an equidigital number, since it uses as much as digits as its factorization.

100550207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561912.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 100550207 is about 10027.4726127774. The cubic root of 100550207 is about 465.0086050745.

The spelling of 100550207 in words is "one hundred million, five hundred fifty thousand, two hundred seven".