103112420 has 24 divisors (see below), whose sum is σ = 216929664. Its totient is φ = 41170016.

The previous prime is 103112393. The next prime is 103112431. The reversal of 103112420 is 24211301.

It is a junction number, because it is equal to n+sod(n) for n = 103112395 and 103112404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (9038736).

Almost surely, 2^103112420 is an apocalyptic number.

103112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112420 is an abundant number, since it is smaller than the sum of its proper divisors (113817244).

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

103112420 is a wasteful number, since it uses less digits than its factorization.

103112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379 (or 9377 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 103112420 is about 10154.4285905215. The cubic root of 103112420 is about 468.9252945569.

Adding to 103112420 its reverse (24211301), we get a palindrome (127323721).

The spelling of 103112420 in words is "one hundred three million, one hundred twelve thousand, four hundred twenty".