100425203 has 4 divisors (see below), whose sum is σ = 105710760. Its totient is φ = 95139648.

The previous prime is 100425179. The next prime is 100425211. The reversal of 100425203 is 302524001.

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

It is a cyclic number.

It is not a de Polignac number, because 100425203 - 2¹⁸ = 100163059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100425223) 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 3 ways as a sum of consecutive naturals, for example, 2642750 + ... + 2642787.

It is an arithmetic number, because the mean of its divisors is an integer number (26427690).

Almost surely, 2^100425203 is an apocalyptic number.

100425203 is a deficient number, since it is larger than the sum of its proper divisors (5285557).

100425203 is an equidigital number, since it uses as much as digits as its factorization.

100425203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285556.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 100425203 is about 10021.2375982211. The cubic root of 100425203 is about 464.8158256254.

Adding to 100425203 its reverse (302524001), we get a palindrome (402949204).

The spelling of 100425203 in words is "one hundred million, four hundred twenty-five thousand, two hundred three".