103243012 has 12 divisors (see below), whose sum is σ = 181149696. Its totient is φ = 51485960.

The previous prime is 103242917. The next prime is 103243027. The reversal of 103243012 is 210342301.

It is a happy number.

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, 32164 + ... + 35227.

It is an arithmetic number, because the mean of its divisors is an integer number (15095808).

Almost surely, 2^103243012 is an apocalyptic number.

It is an amenable number.

103243012 is a deficient number, since it is larger than the sum of its proper divisors (77906684).

103243012 is a wasteful number, since it uses less digits than its factorization.

103243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67778 (or 67776 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103243012 is about 10160.8568536320. The cubic root of 103243012 is about 469.1231758520.

Adding to 103243012 its reverse (210342301), we get a palindrome (313585313).

It can be divided in two parts, 1032 and 43012, that added together give a palindrome (44044).

The spelling of 103243012 in words is "one hundred three million, two hundred forty-three thousand, twelve".