103103420 has 48 divisors (see below), whose sum is σ = 251525568. Its totient is φ = 34767360.

The previous prime is 103103401. The next prime is 103103437. The reversal of 103103420 is 24301301.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 103103395 and 103103404.

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, 2504 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (5240116).

Almost surely, 2^103103420 is an apocalyptic number.

103103420 is a gapful number since it is divisible by the number (10) 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 103103420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125762784).

103103420 is an abundant number, since it is smaller than the sum of its proper divisors (148422148).

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

103103420 is a wasteful number, since it uses less digits than its factorization.

103103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150 (or 12148 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103103420 is about 10153.9854244528. The cubic root of 103103420 is about 468.9116510325.

Adding to 103103420 its reverse (24301301), we get a palindrome (127404721).

The spelling of 103103420 in words is "one hundred three million, one hundred three thousand, four hundred twenty".