103143112 has 16 divisors (see below), whose sum is σ = 194871600. Its totient is φ = 51177360.

The previous prime is 103143011. The next prime is 103143113. The reversal of 103143112 is 211341301.

It is not an unprimeable number, because it can be changed into a prime (103143113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48162 + ... + 50257.

It is an arithmetic number, because the mean of its divisors is an integer number (12179475).

Almost surely, 2^103143112 is an apocalyptic number.

It is an amenable number.

103143112 is a deficient number, since it is larger than the sum of its proper divisors (91728488).

103143112 is a wasteful number, since it uses less digits than its factorization.

103143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98556 (or 98552 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103143112 is about 10155.9397398764. The cubic root of 103143112 is about 468.9718160377.

Adding to 103143112 its reverse (211341301), we get a palindrome (314484413).

The spelling of 103143112 in words is "one hundred three million, one hundred forty-three thousand, one hundred twelve".