100272203 has 4 divisors (see below), whose sum is σ = 104631888. Its totient is φ = 95912520.

The previous prime is 100272199. The next prime is 100272209. The reversal of 100272203 is 302272001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302272001 = 173 ⋅1747237.

It is a cyclic number.

It is not a de Polignac number, because 100272203 - 2² = 100272199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100272209) 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, 2179808 + ... + 2179853.

It is an arithmetic number, because the mean of its divisors is an integer number (26157972).

Almost surely, 2^100272203 is an apocalyptic number.

100272203 is a deficient number, since it is larger than the sum of its proper divisors (4359685).

100272203 is an equidigital number, since it uses as much as digits as its factorization.

100272203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359684.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 100272203 is about 10013.6009007749. The cubic root of 100272203 is about 464.5796532775.

The spelling of 100272203 in words is "one hundred million, two hundred seventy-two thousand, two hundred three".