103420 has 12 divisors (see below), whose sum is σ = 217224. Its totient is φ = 41360.
The previous prime is 103409. The next prime is 103421. The reversal of 103420 is 24301.
103420 is nontrivially palindromic in base 14.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 103397 and 103406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566 + ... + 2605.
It is an arithmetic number, because the mean of its divisors is an integer number (18102).
2103420 is an apocalyptic number.
103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103420 is an abundant number, since it is smaller than the sum of its proper divisors (113804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103420 is a wasteful number, since it uses less digits than its factorization.
103420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5180 (or 5178 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 103420 is about 321.5898008333. The cubic root of 103420 is about 46.9391093170.
Adding to 103420 its reverse (24301), we get a palindrome (127721).
The spelling of 103420 in words is "one hundred three thousand, four hundred twenty", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •