103105424 has 20 divisors (see below), whose sum is σ = 200089500. Its totient is φ = 51469440.

The previous prime is 103105423. The next prime is 103105463. The reversal of 103105424 is 424501301.

It can be written as a sum of positive squares in 2 ways, for example, as 47334400 + 55771024 = 6880^2 + 7468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103105396 and 103105405.

It is not an unprimeable number, because it can be changed into a prime (103105423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5702 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (10004475).

Almost surely, 2^103105424 is an apocalyptic number.

It is an amenable number.

103105424 is a deficient number, since it is larger than the sum of its proper divisors (96984076).

103105424 is an equidigital number, since it uses as much as digits as its factorization.

103105424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418 (or 10412 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 103105424 is about 10154.0841044380. The cubic root of 103105424 is about 468.9146890593.

Adding to 103105424 its reverse (424501301), we get a palindrome (527606725).

The spelling of 103105424 in words is "one hundred three million, one hundred five thousand, four hundred twenty-four".