100255503 has 8 divisors (see below), whose sum is σ = 135366400. Its totient is φ = 65990808.

The previous prime is 100255501. The next prime is 100255531. The reversal of 100255503 is 305552001.

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

It is not a de Polignac number, because 100255503 - 2¹ = 100255501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100255503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100255501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211273 + ... + 211746.

It is an arithmetic number, because the mean of its divisors is an integer number (16920800).

Almost surely, 2^100255503 is an apocalyptic number.

100255503 is a deficient number, since it is larger than the sum of its proper divisors (35110897).

100255503 is an equidigital number, since it uses as much as digits as its factorization.

100255503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423101.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 100255503 is about 10012.7670001853. The cubic root of 100255503 is about 464.5538604498.

The spelling of 100255503 in words is "one hundred million, two hundred fifty-five thousand, five hundred three".