103040112 has 80 divisors (see below), whose sum is σ = 305337600. Its totient is φ = 29331456.

The previous prime is 103040087. The next prime is 103040149. The reversal of 103040112 is 211040301.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150523 + ... + 151205.

It is an arithmetic number, because the mean of its divisors is an integer number (3816720).

Almost surely, 2^103040112 is an apocalyptic number.

103040112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103040112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152668800).

103040112 is an abundant number, since it is smaller than the sum of its proper divisors (202297488).

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

103040112 is a wasteful number, since it uses less digits than its factorization.

103040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 103040112 is about 10150.8675491310. The cubic root of 103040112 is about 468.8156570076.

Adding to 103040112 its reverse (211040301), we get a palindrome (314080413).

The spelling of 103040112 in words is "one hundred three million, forty thousand, one hundred twelve".