100143125 has 20 divisors (see below), whose sum is σ = 126034656. Its totient is φ = 79542000.

The previous prime is 100143103. The next prime is 100143139. The reversal of 100143125 is 521341001.

It is not a de Polignac number, because 100143125 - 2²² = 95948821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101384 + ... + 102366.

Almost surely, 2^100143125 is an apocalyptic number.

It is an amenable number.

100143125 is a deficient number, since it is larger than the sum of its proper divisors (25891531).

100143125 is an frugal number, since it uses more digits than its factorization.

100143125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100143125 is about 10007.1536912351. The cubic root of 100143125 is about 464.3802202660.

Adding to 100143125 its reverse (521341001), we get a palindrome (621484126).

The spelling of 100143125 in words is "one hundred million, one hundred forty-three thousand, one hundred twenty-five".