103103112 has 64 divisors (see below), whose sum is σ = 307399680. Its totient is φ = 28176192.

The previous prime is 103103107. The next prime is 103103141. The reversal of 103103112 is 211301301.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 15 ways as a sum of consecutive naturals, for example, 9478 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (4803120).

Almost surely, 2^103103112 is an apocalyptic number.

103103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103103112 is an abundant number, since it is smaller than the sum of its proper divisors (204296568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103103112 is a wasteful number, since it uses less digits than its factorization.

103103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26722 (or 26718 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103103112 is about 10153.9702579828. The cubic root of 103103112 is about 468.9111841068.

Adding to 103103112 its reverse (211301301), we get a palindrome (314404413).

The spelling of 103103112 in words is "one hundred three million, one hundred three thousand, one hundred twelve".