103112440 has 32 divisors (see below), whose sum is σ = 232580160. Its totient is φ = 41142400.

The previous prime is 103112431. The next prime is 103112441. The reversal of 103112440 is 44211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14250 + ... + 20230.

It is an arithmetic number, because the mean of its divisors is an integer number (7268130).

Almost surely, 2^103112440 is an apocalyptic number.

103112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112440 is an abundant number, since it is smaller than the sum of its proper divisors (129467720).

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

103112440 is a wasteful number, since it uses less digits than its factorization.

103112440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423 (or 6419 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 103112440 is about 10154.4295753134. The cubic root of 103112440 is about 468.9253248750.

Adding to 103112440 its reverse (44211301), we get a palindrome (147323741).

The spelling of 103112440 in words is "one hundred three million, one hundred twelve thousand, four hundred forty".