100434125 has 16 divisors (see below), whose sum is σ = 136738368. Its totient is φ = 73042000.

The previous prime is 100434083. The next prime is 100434143. The reversal of 100434125 is 521434001.

It is not a de Polignac number, because 100434125 - 2⁸ = 100433869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100434097 and 100434106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35147 + ... + 37896.

It is an arithmetic number, because the mean of its divisors is an integer number (8546148).

Almost surely, 2^100434125 is an apocalyptic number.

It is an amenable number.

100434125 is a deficient number, since it is larger than the sum of its proper divisors (36304243).

100434125 is an equidigital number, since it uses as much as digits as its factorization.

100434125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73069 (or 73059 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 100434125 is about 10021.6827429329. The cubic root of 100434125 is about 464.8295903109.

Adding to 100434125 its reverse (521434001), we get a palindrome (621868126).

The spelling of 100434125 in words is "one hundred million, four hundred thirty-four thousand, one hundred twenty-five".