103204242 has 12 divisors (see below), whose sum is σ = 223609230. Its totient is φ = 34401408.

The previous prime is 103204223. The next prime is 103204247. The reversal of 103204242 is 242402301.

It can be written as a sum of positive squares in only one way, i.e., 62869041 + 40335201 = 7929^2 + 6351^2 .

It is a super-2 number, since 2×103204242² = 21302231133589128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5733569 = 103204242 / (1 + 0 + 3 + 2 + 0 + 4 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (103204247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2866767 + ... + 2866802.

Almost surely, 2^103204242 is an apocalyptic number.

103204242 is an abundant number, since it is smaller than the sum of its proper divisors (120404988).

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

103204242 is a wasteful number, since it uses less digits than its factorization.

103204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733577 (or 5733574 counting only the distinct ones).

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

The square root of 103204242 is about 10158.9488629484. The cubic root of 103204242 is about 469.0644465094.

Adding to 103204242 its reverse (242402301), we get a palindrome (345606543).

The spelling of 103204242 in words is "one hundred three million, two hundred four thousand, two hundred forty-two".