100543112 has 16 divisors (see below), whose sum is σ = 189125340. Its totient is φ = 50109696.

The previous prime is 100543109. The next prime is 100543123. The reversal of 100543112 is 211345001.

It can be written as a sum of positive squares in 2 ways, for example, as 90136036 + 10407076 = 9494^2 + 3226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17573 + ... + 22580.

Almost surely, 2^100543112 is an apocalyptic number.

It is an amenable number.

100543112 is a deficient number, since it is larger than the sum of its proper divisors (88582228).

100543112 is a wasteful number, since it uses less digits than its factorization.

100543112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40472 (or 40468 counting only the distinct ones).

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

The square root of 100543112 is about 10027.1188284572. The cubic root of 100543112 is about 464.9976675414.

Adding to 100543112 its reverse (211345001), we get a palindrome (311888113).

The spelling of 100543112 in words is "one hundred million, five hundred forty-three thousand, one hundred twelve".