103420224 has 42 divisors (see below), whose sum is σ = 296437050. Its totient is φ = 34473216.

The previous prime is 103420183. The next prime is 103420267. The reversal of 103420224 is 422024301.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 6594624 = 9840^2 + 2568^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103420197 and 103420206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89199 + ... + 90350.

It is an arithmetic number, because the mean of its divisors is an integer number (7058025).

Almost surely, 2^103420224 is an apocalyptic number.

It is an amenable number.

103420224 is an abundant number, since it is smaller than the sum of its proper divisors (193016826).

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

103420224 is a wasteful number, since it uses less digits than its factorization.

103420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179567 (or 179554 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 103420224 is about 10169.5734423819. The cubic root of 103420224 is about 469.3914320581.

Adding to 103420224 its reverse (422024301), we get a palindrome (525444525).

The spelling of 103420224 in words is "one hundred three million, four hundred twenty thousand, two hundred twenty-four".